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WO2025149315A1 - Compositions de nettoyage liquides pour l'hygiène personnelle douces pour la peau - Google Patents

Compositions de nettoyage liquides pour l'hygiène personnelle douces pour la peau

Info

Publication number
WO2025149315A1
WO2025149315A1 PCT/EP2024/086649 EP2024086649W WO2025149315A1 WO 2025149315 A1 WO2025149315 A1 WO 2025149315A1 EP 2024086649 W EP2024086649 W EP 2024086649W WO 2025149315 A1 WO2025149315 A1 WO 2025149315A1
Authority
WO
WIPO (PCT)
Prior art keywords
starch
composition
polymer
skin
composition according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/EP2024/086649
Other languages
English (en)
Inventor
Mohini Anand Bapat
Naresh Dhirajlal Ghatlia
Ishita Sunil LAKHE
Chinmay. Sudhakar MHASKAR
Sananda Nag
Ramesh Narayan NAIR
Vibhav Ramrao Sanzgiri
Simone SETHNA
Sivaram THANUMALAYAN KAMESH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unilever Global IP Ltd
Unilever IP Holdings BV
Conopco Inc
Original Assignee
Unilever Global IP Ltd
Unilever IP Holdings BV
Conopco Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Unilever Global IP Ltd, Unilever IP Holdings BV, Conopco Inc filed Critical Unilever Global IP Ltd
Publication of WO2025149315A1 publication Critical patent/WO2025149315A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/732—Starch; Amylose; Amylopectin; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0241—Containing particulates characterized by their shape and/or structure
    • A61K8/0245—Specific shapes or structures not provided for by any of the groups of A61K8/0241
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A61K8/20—Halogens; Compounds thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/46—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur
    • A61K8/463—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing sulfur containing sulfuric acid derivatives, e.g. sodium lauryl sulfate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • A61K8/8147—Homopolymers or copolymers of acids; Metal or ammonium salts thereof, e.g. crotonic acid, (meth)acrylic acid; Compositions of derivatives of such polymers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/10—Washing or bathing preparations

Definitions

  • the present invention relates to mild liquid compositions and more particularly personal cleansing compositions.
  • the present invention relates to the field of liquid cleansing compositions which are gentle and mild on skin and provide a moisturized end feel. More particularly, it relates to such compositions having starch and polymer.
  • the present invention provides a cleansing comprising: 0.1 to 40 wt% non-soap surfactant; 0.05 to 1 .1 wt% polymer selected from the group consisting of acrylic polymer, cellulosic polymer, copolymer thereof and mixtures thereof; 0.05 to 5 wt% starch; and 5 to 80 wt% water.
  • the cleansing composition of the present invention provides benefits such as gentleness, mildness and moisturizing benefit.
  • the polymer is an acrylic polymer. It is preferred in the composition of the present invention that the non-soap surfactant is selected from the group of anionic surfactant, amphoteric surfactant, zwitterionic surfactant, non-ionic surfactant and mixtures thereof.
  • the synthetic anionic detergent active which may be used in the invention may be aliphatic sulfonates, such as a primary alkane (e.g., C8-C22) sulfonate, primary alkane (e.g., C8-C22) disulfonate, C8-C22 alkene sulfonate, C8-C22 hydroxyalkane sulfonate or alkyl glyceryl ether sulfonate (AGS); or aromatic sulfonates such as alkyl benzene sulfonate.
  • a primary alkane e.g., C8-C22
  • primary alkane e.g., C8-C22
  • disulfonate C8-C22 alkene sulfonate
  • C8-C22 hydroxyalkane sulfonate C8-C22 hydroxyalkane sulfonate
  • the anionic may also be an alkyl sulfate (e.g., C12-C18 alkyl sulfate) or alkyl ether sulfate (including alkyl glyceryl ether sulfates).
  • alkyl ether sulfates are those having the formula:
  • Sulfosuccinates may be monoalkyl sulfosuccinates having the formula: R 4 O2CCH 2 CH(SO3M)CO2l ⁇ /l; and amide-MEA sulfosuccinates of the formula;
  • R 4 CONHCH 2 CH2O2CCH 2 CH(SO 3 M)CO2 ⁇ wherein R 4 ranges from C8-C22 alkyl and M is a solubilizing cation.
  • R 2 CONR 3 CH 2 CH 2 SO 3 M wherein R 2 ranges from C8-C20 alkyl, R 3 ranges from H or C1-C4 alkyl and M is a solubilizing cation.
  • the inventive cleansing composition may contain Cs-Cis acyl isethionates. These esters are prepared by reaction between alkali metal isethionate with mixed aliphatic carboxylic acids having from 6 to 18 carbon atoms and an iodine value of less than 20. At least 75% of the mixed carboxylic acids have from 12 to 18 carbon atoms and up to 25% have from 6 to 10 carbon atoms.
  • the acyl isethionate may be an alkoxylated isethionate such as is described in llardi et al., U.S. Patent No. 5,393,466, titled “Fatty Acid Esters of Polyalkoxylated isethonic acid; issued February 28, 1995; hereby incorporated by reference.
  • This compound has the general formula:
  • R C-O(O)-C(X)H-C(Y)H 2 -(OCH-CH 2 )m-SO 3 M wherein R is an alkyl group having 8 to 18 carbons, m is an integer from 1 to 4, X and Y are hydrogen or an alkyl group having 1 to 4 carbons and M + is a monovalent cation such as, for example, sodium, potassium or ammonium.
  • amphoteric surfactants for the purposes of the present invention are, for example, acyl I dialkylethylene diamines, for example sodium acylamphoacetate, Cocamidopropyl betaine (CAPB), disodium acyl amphodipropionate, disodium alkylamphodiacetate, sodium acrylamphohydroxypropyl sulfonate, disodium acrylamphodiacetate and sodium acrylamphopropionate, N-alkylamino acids, for example aminopropyl alkylglutamide, alkylaminopropionic acid, sodium alkylimidodipropionate and lauroamphocarboxyglycinate.
  • acyl I dialkylethylene diamines for example sodium acylamphoacetate
  • Cocamidopropyl betaine (CAPB) disodium acyl amphodipropionate
  • disodium alkylamphodiacetate sodium acrylamphohydroxypropyl sulfonate
  • the cleansing composition comprises amphoteric surfactant in the range 0.1 to 40 wt%, more preferably in the range of 0.5 to 38 wt%, further, more preferably in the range of 1 to 35 wt% and most preferably in the range of 2.5 to 30 wt% of non-soap surfactant by weight of the composition.
  • the compositions will comprise a combination of anionic and amphoteric Surfactant (e.g., betaine), especially when anionic comprises 50% or greater of such mixture of synthetics.
  • non-ionic surfactants for the purposes of the present invention are, for example, Alkanolamides, such as Cocamide MEA DEA/ MIPA, esters produced by the esterification of carboxylic acids with ethylene oxide, glycerol, sorbitan or other alcohols, ethers, for example ethoxylated alcohols, ethoxylated lanolin, ethoxylated poly-siloxanes, propoxylated POE ethers and alkyl polyglycosides such as lauryl glucoside, decyl glucoside and cocoglucoside.
  • Alkanolamides such as Cocamide MEA DEA/ MIPA
  • ethers for example ethoxylated alcohols, ethoxylated lanolin, ethoxylated poly-siloxanes
  • the cleansing composition of the present invention comprises starch in the range of from 0.05 to 5 wt%, more preferably from 0.5 to 4.8 wt% and most preferably from 1 to 4.5 wt% by weight of the cleansing composition.
  • Starch a polymer of glucose
  • Starch is polysaccharide used as a storage polysaccharide in plants, being found in the form of both amylose and the branched amylopectin. In animals, the structurally similar glucose polymer is the more densely branched glycogen, sometimes called "animal starch".
  • a preferred starch is natural or native starch from maize (corn), cassava, wheat, potato, rice and other natural sources of it.
  • Raw starch with different ratio of amylose and amylopectin e.g. maize (25% amylose); waxy maize (0%); high amylose maize (70%); potato (23%); rice (16%); sago (27%); cassava (18%); wheat (30%) pea (35% amylose) and others.
  • the raw starch can be used directly or modified during the process of making the liquid personal cleansing composition such that the starch becomes gelatinized.
  • ungelatinized or pre-gelatinized starch It is most preferred to use ungelatinized or pre-gelatinized starch. It is further preferred to use starch that is native and not chemically modified.
  • starch is pre-gelatinized, which is starch that has been gelatinized before it is added as an ingredient in the present liquid personal cleansing compositions.
  • Various forms are available that will gel at different temperatures, e.g., cold water dispersible starch.
  • the starch is in a suspended state in the liquid composition of the present invention and most preferably in concentrations and form in which it does not act primarily act as a thickening agent. It is further preferred that starch is used in its ungelatinized form. It is known in the industry that ungelatinized form of starch does not function as a thickening agent. It is preferred that when particle size (D50) of starch ranges between 2-50pm more preferably 4-45pm and most preferably 5-35pm while particle shapes can be smooth, oval, oblate spheroid or polygonal and preferably smooth oval/spheroid.
  • the native starch of particle size in the range of 2-50pm, more preferably 4-45pm, and most preferably 5-35pm is used.
  • D50 is a particle size measurement indicating diameter at which 50% of particles are smaller and 50% are larger in a distribution.
  • the cleansing composition of the present invention may comprise an electrolyte.
  • the electrolyte for the purposes of the present invention may include inorganic salts (e.g., sodium chloride, potassium chloride) as well as organic salts (e.g., sodium citrate).
  • inorganic salts e.g., sodium chloride, potassium chloride
  • organic salts e.g., sodium citrate
  • other salts include phosphates, sulfates and other halogen ion salts.
  • the counter ions of such salts can be sodium or other monovalent cations as well as di- and trivalent cations.
  • the cleansing composition may optionally comprise electrolytes.
  • the electrolytes may range from 0.01 to 5 wt% more preferably from 0.1 to 4.5 wt% and most preferably from 0.15 to 4.5 wt% by weight of the liquid cleansing composition. These wt% values are inclusive of the case when electrolytes function as rheology modifying agents. pH modulating agent
  • the pH modulating agent is an ingredient which is responsible to modulate the existing pH of the composition.
  • the pH modulating agent is selected so as to maintain the pH of the composition in the range of 4 to 7 more preferably 4.5 to 7 and most preferably 4.5 to 5.7.
  • the pH modulating agent for the present invention may be an acid or a salt. It is preferred that the pH modulating agent is an acid such as acetic acid, citric acid, lactic acid, gluconic acid, glycolic acid, malic acid, mandelic acid, tartaric acid or amino acids or the likes.
  • the pH modulating agent is a salt may be sodium bicarbonate, potassium carbonate, calcium hydroxide, potassium hydroxide, sodium carbonate, potassium bicarbonate, sodium hydroxide or a combination thereof.
  • the pH modulating agent is sodium bicarbonate.
  • the cleansing composition of the present invention comprises a chelating agent. It is preferred that the chelating agent in the cleansing composition is present in the range of 0.01 to 3 wt% by weight of the cleansing composition, more preferably in the range of 0.02 to 2.5 wt% by weight of the cleansing composition, and most preferably in the range of 0.05 to 1 .5 wt% by weight of the cleansing composition.
  • the chelating agent in the cleansing composition is present at least 0.01 wt%, more preferably at least 0.02 wt%, and most preferably at least 0.05 wt% by weight of the cleansing composition.
  • the chelating agent in the cleansing composition is present at most 3 wt%, more preferably at most 2.5 wt%, further preferably at most 2 wt% and most preferably at most 1.5 wt% by weight of the cleansing composition.
  • the preferred chelating agents are as follows (names followed by their abbreviation in parenthesis):
  • Trisodium Ethylene Diamine Disuccinate Trisodium Ethylene Diamine Disuccinate, Tetra-sodium-lmino disuccinate, Glutamic acid-N,N diacetic acid tetra sodium salt, 2-hydroxyethyl iminodiacetic acid, Sodium salt (disodium ethanol diglycinate), Tetrasodium 3-hydroxy-2,2 imino disuccinate, Trisodium methylglycine diacetic acid, L- Aspartate-N,N-diacetic acid tetrasodium salt.
  • the more preferred chelating agents are salt of Ethylene Diamine Tetra Acetic acid (EDTA) and salt of Diethylene Thamine Penta Acetic acid (DTPA).
  • Preferred salts of EDTA are disodium Ethylene Diamine Tetra Acetic acid and tetrasodium Ethylene Diamine Tetra Acetic acid.
  • Preferred salt of DTPA is the pentasodium Diethylene Thamine Penta Acetic acid.
  • the composition of the cleansing composition of the present invention comprises a preservative. It is preferred that the preservative in the cleansing composition is present in the range of 0.01 to 3wt% by weight of the cleansing composition, more preferably in the range of 0.02 to 2wt% by weight of the cleansing composition, and most preferably in the range of 0.05 to 1 wt% by weight of the cleansing composition.
  • compositions of the present inventions are not limited to, chlorite components, benzoic acid components, sorbic acid components and mixtures thereof.
  • Suitable preservatives include but not limited to commonly used in cosmetics, such as dibromdicyanobutane (2-bromo-2-bromomethylglutarodinitrile), phenoxyethanol, 3-lod-2-propinylbutylcarbamate, 2-bromo-2-nitro-propane-1 , 3-diol, imidazolidinyl urea, 5-chloro-2-methyl-4-isothiazolin-3-one, 2-chloroacetamide, benzalkonium chloride, sodium benzoate, benzyl alcohol.
  • cosmetics such as dibromdicyanobutane (2-bromo-2-bromomethylglutarodinitrile), phenoxyethanol, 3-lod-2-propinylbutylcarbamate, 2-bromo-2-nitro-propane-1 , 3-diol, imidazolidinyl urea, 5-chloro-2-methyl-4-isothiazolin-3-one, 2-ch
  • sodium benzoate, sodium salicylate, methyldibromoglutaronitrile, phenoxyethanol and combinations thereof are used as preservatives.
  • the cleansing composition of the present invention comprises water in the range of 5 to 80 wt% water, more preferably 10 to 75 wt% and and most preferably from 15 to 70 wt% by weight of the composition.
  • the composition of the present invention is primarily an aqueous composition. pH
  • the pH of the compositions of the present invention ranges from 4 to 7 more preferably 4.5 to 6.9.
  • the composition of the present invention comprises a polymer in the range of 0.05 to 1.1 wt% by weight of the composition of the present invention, the polymer selected from the group consisting of acrylic polymers, cellulosic polymers. These polymers are preferably suspending polymers which may be water soluble/dispersible polymers. These polymers can help to structure liquid formulations, suspend particulate matters in liquid formulations and slow down or prevent aggregation and sedimentation of undissolved particulate matters. These polymers can be cationic, anionic, amphoteric or nonionic types with molecular weights higher than 100,000 Dalton. Amount of the polymers, may range from 0.05 to 1.1% by weight of the composition. It is preferred that the polymers are present in the range of 0.05 to 1.1 wt%, preferably from 0.1 to 1.05%, furthermore preferably 0.15 to 0.95% by weight of the cleansing composition.
  • water soluble/or dispersible polymers and suspending polymers include the carbohydrate gums such as cellulose gum, microcrystalline cellulose, cellulose gel, hydroxyethyl cellulose, hydroxypropyl cellulose, sodium carboxymethylcellulose, methyl cellulose, ethyl cellulose, guar gum, gum karaya, gum tragacanth, gum arabic, gum acacia, gum agar, xanthan gum and mixtures thereof; alkali swellable acrylic polymers such as crosslinked acrylate copolymers, polyacrylate crosspolymers; polyacrylate crosspolymers (Sepimax zen), lightly cross-linked acrylate copolymer (Carbopol Aqa SF01 , Carbopol Aqa SF02, Rheostule 85L, Rheostyle 100), hydroxypropyl methylcellulose (and) cellulose gum (and) xanthan gum (TEXTURE PURE SA ), Amaze XT(De hydroxant
  • the polymer for the present invention is acrylic polymer.
  • the acrylic polymer may be hydrophobically modified, a homo polymer, a copolymer, or a cross polymer which may be an acrylic polymer, a partially neutralized acrylic polymer or an acrylic polymer.
  • Commercially available polymer of these classes which may be used include Carbopol Aqua SF polymer from Lubrizol, Carbopol SC-200 polymer also from Lubrizol, or Acusol 445 G- polymer from Dow.
  • Suitable agents include acrylate containing homo and copolymers such as the crosslinked poly acrylates available under the CARBOPOL trade name, the hydrophobically modified cross linked polyacrylates available under the AQUA trade name, and the PEMULEN trade name (all sold by Lubrizol Company, Wickliffe, Ohio), the alkali swellable acrylic latex polymers sold by Rohm and Haas (Philadelphia, Pa.) under the ACUSOL or ACULYN trade names and Synthalen 400 (available from 3V located in Hackensack, N.J.).
  • acrylate containing homo and copolymers such as the crosslinked poly acrylates available under the CARBOPOL trade name, the hydrophobically modified cross linked polyacrylates available under the AQUA trade name, and the PEMULEN trade name (all sold by Lubrizol Company, Wickliffe, Ohio), the alkali swellable acrylic latex polymers sold by Rohm and Haas (Philadelphia, Pa.) under the ACUSOL or A
  • acrylic polymer is included in 0.05 to 1.1 wt%, preferably from 0.1 to 1.05%, furthermore preferably 0.15 to 0.95% by weight of the cleansing composition. Soap
  • the liquid cleansing composition of the present invention may comprise about 0.1 to 10 wt% of soap, more preferably 0.5 to 9 wt% and most preferably about 1 to 8wt% of soap by weight of the cleansing composition. It is preferable that the cleansing composition has 1 .5 to 7 wt% of total fatty matter (TFM).
  • TBM total fatty matter
  • soap means salts of fatty acids in which the accompanying cation may be an alkali metal, alkaline earth metal or ammonium ion, preferably an alkali metal.
  • the cation is sodium or potassium.
  • the soap may be saturated or unsaturated and it depends on the nature of the corresponding fatty acid and/or oil used for saponification.
  • emollient is defined as a substance which softens or improves the elasticity, appearance, and youthfulness of the skin by either increasing its water content, adding, or replacing lipids and other skin nutrients; or both, and keeps it soft by retarding the decrease of its water content.
  • Moisturizers that also are Humectants such as polyhydric alcohols, e.g. glycerin and propylene glycol, and the like; and polyols such as the polyethylene glycols such as Polyox WSR N-60K (PEG-45M) and the like are used in a preferred embodiment of the invention.
  • Humectants are preferably used at a minimum of 0.5, 2.5 or 5 % by wt. and a maximum of 15, 20 or 25% by wt.
  • Hydrophobic emollients are used in a preferred embodiment of the invention. Preferred are hydrophobic emollient(s) with weight average particle sizes below either 1000 or 500 microns in diameter and are defined herein as “finely dispersed oils”. These emollients are preferably used at a minimum of 0.5, 2.5 or 5 % by wt. and a maximum of 15, 20 or 25% by wt.
  • Suitable hydrophobic emollients include but are not limited to the following:
  • silicone oils and modifications thereof such as linear and cyclic polydimethylsiloxanes; amino, alkyl, alkylaryl, and aryl silicone oils;
  • esters such as cetyl octanoate, myristyl lactate, cetyl lactate, isopropyl myristate, myristyl myristate, isopropyl palmitate, isopropyl adipate, butyl stearate, decyl oleate, cholesterol isostearate, glycerol monostearate, glycerol distearate, glycerol tristearate, alkyl lactate, alkyl citrate and alkyl tartrate;
  • essential oils and extracts thereof such as mentha, jasmine, camphor, white cedar, bitter orange peel, ryu, turpentine, cinnamon, bergamot, citrus unshiu, calamus, pine, lavender, bay, clove, hiba, eucalyptus, lemon, starflower, thyme, peppermint, rose, sage, sesame, ginger, basil, juniper, lemon grass, rosemary, rosewood, avocado, grape, grapeseed, myrrh, cucumber, watercress, calendula, elder flower, geranium, linden blossom, amaranth, seaweed, ginko, ginseng, carrot, guarana, tea tree, jojoba, comfrey, oatmeal, cocoa, neroli, vanilla, green tea, penny royal, aloe vera, menthol, cineole, eugenol, citral, Citronelle, borneol, linalool, geraniol,
  • preferred embodiments of the cleansing compositions may also include other optional and preferred ingredients for their known benefits.
  • the type and content will largely depend on the nature and type of cleansing composition as well as general principles of composition science.
  • Other optional compositions include one or more skin benefit agents.
  • skin benefit agent is defined as a substance which softens or improves the elasticity, appearance, and youthfulness of the skin (stratum corneum) by either increasing its water content, adding, or replacing lipids and other skin nutrients; or both, and keeps it soft by retarding the decrease of its water content.
  • emollients including, for example, hydrophobic emollients, hydrophilic emollients, or blends thereof.
  • Water-soluble skin benefit agents may optionally be formulated into the liquid compositions of the invention.
  • a variety of water-soluble skin benefit agents can be used and the level can be from 0 to 50% but preferably from 1 to 30% by weight of the composition. These materials include, but are not limited to, polyhydroxy alcohols.
  • Preferred water soluble skin benefit agents are glycerin, sorbitol and polyethylene glycol.
  • Water-insoluble skin benefit agents may also be formulated into the compositions as conditioners and moisturizers.
  • conditioners and moisturizers examples include silicone oils; hydrocarbons such as liquid paraffins, petrolatum, microcrystalline wax, and mineral oil; and vegetable triglycerides such as sunflower seed and cottonseed oils.
  • Preservatives can also be added into the compositions to protect against the growth of potentially harmful microorganisms.
  • Suitable traditional preservatives for compositions of this invention are alkyl esters of para-hydroxybenzoic acid.
  • Other preservatives which have more recently come into use include hydantoin derivatives, propionate salts, and a variety of quaternary ammonium compounds.
  • Particularly preferred preservatives are phenoxyethanol, methyl paraben, propyl paraben, imidazolidinyl urea, sodium dehydroacetate and benzyl alcohol.
  • the preservatives should be selected having regard for the use of the composition and possible incompatibility between the preservatives and other ingredients.
  • Preservatives are preferably employed in amounts ranging from 0.01 % to 2% by weight of the composition.
  • compositions may include: antimicrobials; scrub and exfoliating particles such as polyethylene and silica or alumina; cooling agents such as menthol; skin calming agents such as aloe vera; and colorants.
  • shower gel or Body wash may contain particles that are greater than 50 pm in average diameter that help remove dry skin. Not being bound by theory, the degree of exfoliation depends on the size and morphology of the particles. Large and rough particles are usually very harsh and irritating. Very small particles may not serve as effective exfoliants.
  • exfoliants used in the art include natural minerals such as silica, talc, calcite, pumice, tricalcium phosphate; seeds such as rice, apricot seeds, etc; crushed shells such as almond and walnut shells; oatmeal; polymers such as polyethylene and polypropylene beads, flower petals and leaves; microcrystalline wax beads; jojoba ester beads, and the like.
  • These exfoliants come in a variety of particle sizes and morphology ranging from micron sized to a few mm. They also have a range of hardness. Some examples are talc, calcite, pumice, walnut shells, dolomite and polyethylene.
  • active agents may be selected from water-soluble active agents, oil soluble active agents, pharmaceutically acceptable salts and mixtures thereof.
  • active agent means personal care actives which can be used to deliver a benefit to the skin and/or hair and which generally are not used to confer a skin conditioning benefit, such are delivered by emollients as defined above.
  • safe and effective amount means an amount of active agent high enough to modify the condition to be treated or to deliver the desired skin care benefit, but low enough to avoid serious side effects.
  • fit as used herein, means the therapeutic, prophylactic, and/or chronic benefits associated with treating a particular condition with one or more of the active agents described herein. What is a safe and effective amount of the active agent(s) will vary with the specific active agent, the ability of the active to penetrate through the skin, the age, health condition, and skin condition of the user, and other like factors.
  • active agent ingredients are useful for the compositions of the present inventions and include those selected from anti-acne actives, anti-wrinkle and anti-skin atrophy actives, skin barrier repair aids, cosmetic soothing aids, topical anesthetics, artificial tanning agents and accelerators, skin lightening actives, antimicrobial and antifungal actives, sunscreen actives, sebum stimulators, sebum inhibitors, antiglycation actives and mixtures thereof and the like.
  • Anti-acne actives can be effective in treating acne vulgaris, a chronic disorder of the pilosebaceous follicles.
  • useful anti-acne actives include the keratolytics such as salicylic acid (o-hydroxybenzoic acid), derivatives of salicylic acid such as 5-octanoyl salicylic acid and 4 methoxysalicylic acid, and resorcinol; retinoids such as retinoic acid and its derivatives (e.g., cis and trans); sulfur-containing D and L amino acids and their derivatives and salts, particularly their N-acetyl derivatives, mixtures thereof and the like.
  • Artificial tanning actives can help in simulating a natural sun tan by increasing melanin in the skin or by producing the appearance of increased melanin in the skin.
  • Non limiting examples of artificial tanning agents and accelerators include dihydroxyacetaone; tyrosine; tyrosine esters such as ethyl tyrosinate and glucose tyrosinate; mixtures thereof, and the like.
  • Skin lightening actives can actually decrease the amount of melanin in the skin or provide such an effect by other mechanisms.
  • Non limiting examples of skin lightening actives useful herein include aloe extract, alpha-glyceryl-L-ascorbic acid, aminotyrosine, ammonium lactate, glycolic acid, hydroquinone, 4 hydroxyanisole, 4 alklyl resorcinols including ER, BR, HR, phenethyl resorcinol; thiamidol; mixtures thereof, and the like; Vitamin C and its oil and water soluble derivatives; Vitamin E and its oil and water soluble derivatives; Vitamin B3, Vitamin B series, hydroxy fatty acids including 12, hydroxystearic, 10 -hydroxy stearic, 10-hydroxy palmitic; and mixtures.
  • sunscreen actives are those selected from the group consisting of octyl methoxyl cinnamate (Parsol MCX) and butyl methoxy benzoylmethane (Parsol 1789), 2-ethylhexyl p-methoxycinnamate, 2-ethylhexyl N,N-dimethyl-p-aminobenzoate, p-aminobenzoic acid, 2-phenylbenzimidazole-5sulfonic acid, oxybenzone, mixtures thereof, and the like.
  • sunscreens which are useful in the compositions of the present invention are those selected from the group consisting of octyl methoxyl cinnamate (Parsol MCX) and butyl methoxy benzoylmethane (Parsol 1789), 2-ethylhexyl p-methoxycinnamate, 2-ethylhexyl N,N-dimethyl-p-aminobenzoate, p
  • skin tightening agents include monomers which can bind a polymer to the skin such as (meth)acrylic acid and a hydrophobic monomer comprised of long chain alkyl (meth)acrylates, mixtures thereof, and the like.
  • Active ingredients in the inventive personal toilet bar compositions may also include antiitch ingredients.
  • Suitable examples of anti-itch ingredients which are useful in the compositions of the present invention include hydrocortisone, methdilizine and trimeprazine, mixtures thereof, and the like.
  • Non limiting examples of hair growth inhibitors which are useful in the inventive personal toilet bar compositions include 17 beta estradiol, anti angiogenic steroids, curcuma extract, cycloxygenase inhibitors, evening primrose oil, linoleic acid and the like.
  • Suitable 5-alpha reductase inhibitors such as ethynylestradiol and, genistine mixtures thereof, and the like.
  • Advantageously cationic skin feel agent(s) or polymer(s) are used from about 0.01 , 0.1 or 0.2% by wt. to about 1 , 1.5 or 2.0% by wt.
  • the present invention provides use of acrylic polymer and starch according to the first aspect, in a liquid cleansing composition for providing a moisturizing effect.
  • the present invention provides use of 0.05 to 5 wt% starch and 0.05 to 1.1 wt% acrylic polymer in a cleansing composition according to the first aspect, for providing better moisturization as compared to the composition without starch and acrylic polymer. It is preferred that the comparison is with the composition without 0.05 to 5 wt% starch and 0.05 to 1.1 wt% acrylic polymer.
  • the present invention provides use of 0.05 to 5 wt% starch and 0.05 to 1.1 wt% acrylic polymer in a cleansing composition according to the first aspect, for providing better skin radiance and glow as compared to the composition without starch and acrylic polymer. It is preferred that the comparison is with the composition without 0.05 to 5 wt% starch and 0.05 to 1.1 wt% acrylic polymer.
  • the present invention provides use of 0.05 to 5 wt% starch and 0.05 to 1.1 wt% acrylic polymer in a cleansing composition according to according to the first aspect, for providing better skin clarity as compared to the composition without starch and acrylic polymer. It is preferred that the comparison is with the composition without 0.05 to 5 wt% starch and 0.05 to 1.1 wt% acrylic polymer.
  • the cleansing composition of the present invention is prepared using the process comprising steps of: i. solubilization of chelating agents, preservatives in aqueous medium followed by; ii. dispersal of acrylic polymer in surfactant water solution followed by neutralization if needed; iii. addition of non-soap surfactants in water to form a surfactant water solution; and iv. addition of starch slurry with stirring to obtain the liquid cleansing composition of the present invention.
  • the viscosity of the final cleansing composition may be adjusted by addition of rheology modifying agents such as electrolytes or thickening polymers.
  • HUT Home Use Tests
  • S3 containing starch in combination with polymer according to the first aspect of the present invention performs superior (There is a significant improvement at 90 or 95% level of confidence in a 2 tailed T test) to the control S1 on all the given parameters 1 to 3.
  • S2 containing starch without polymer underwent sedimentation and was not suitable for human use test.
  • S4 containing starch in combination with polymer more than 1.1 wt% performs parity (No significant improvement at 90 or 95% level of confidence in a 2 tailed T test) to the control S1 on all the given parameters 1 to 3.
  • compositions S3 prepared in accordance with the present invention with the given concentrations of starch and polymer have better consumer desirable skin benefits as compared to all other compositions which are not according to the first aspect of the present invention.

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Abstract

La présente invention concerne une composition de nettoyage comprenant 0,1 à 40 % en poids d'un tensioactif ne contenant pas de savon ; 0,05 à 1,1 % en poids de polymère choisi dans le groupe constitué par un polymère acrylique, un polymère cellulosique, un copolymère de celui-ci et des mélanges de ceux-ci ; 0,05 à 5 % en poids d'amidon et 5 à 80 % en poids d'eau.
PCT/EP2024/086649 2024-01-09 2024-12-16 Compositions de nettoyage liquides pour l'hygiène personnelle douces pour la peau Pending WO2025149315A1 (fr)

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EP24150991 2024-01-09
EP24150989.2 2024-01-09
EP24150991.8 2024-01-09
EP24150990 2024-01-09
EP24150990.0 2024-01-09
EP24150989 2024-01-09

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PCT/EP2024/086649 Pending WO2025149315A1 (fr) 2024-01-09 2024-12-16 Compositions de nettoyage liquides pour l'hygiène personnelle douces pour la peau
PCT/EP2024/086644 Pending WO2025149313A1 (fr) 2024-01-09 2024-12-16 Compositions nettoyante de soins personnels liquide douce
PCT/EP2024/086648 Pending WO2025149314A1 (fr) 2024-01-09 2024-12-16 Composition cutanée topique

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PCT/EP2024/086648 Pending WO2025149314A1 (fr) 2024-01-09 2024-12-16 Composition cutanée topique

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US5009814A (en) 1987-04-08 1991-04-23 Huls Aktiengesellschaft Use of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systems
EP0556957A1 (fr) 1992-01-23 1993-08-25 Unilever Plc Composition cosmétique pour le traitement de dessèchement cutané
US5389279A (en) 1991-12-31 1995-02-14 Lever Brothers Company, Division Of Conopco, Inc. Compositions comprising nonionic glycolipid surfactants
US5393466A (en) 1991-11-25 1995-02-28 Lever Brothers Company, Division Of Conopco, Inc. Fatty acid esters of polyalkoxylated isethionic acid
EP1814632B1 (fr) * 2004-05-19 2011-03-30 Unilever PLC Produits nettoyants liquides personnels contenant une association d'acide gras et d'un systeme structurant a l'amidon hydrosoluble ou hydrodilatable
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US20200170918A1 (en) * 2018-12-03 2020-06-04 Henkel Ag & Co. Kgaa Naturally thickened cosmetic cleaning agents
WO2021053397A1 (fr) * 2019-09-20 2021-03-25 Roquette Freres Composition cosmétique ou dermatologique pour le nettoyage et/ou le démaquillage comprenant de l'acide succinique pour prévenir, réduire ou éliminer les imperfections cutanées, traiter des troubles cutanés et prévenir, traiter et lutter contre les états hyper séborrhéiques du cuir chevelu
WO2024002647A1 (fr) * 2022-06-30 2024-01-04 Unilever Ip Holdings B.V. Composition de lavage stable avec tensioactif zwitterionique insaturé

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EP3094306B1 (fr) * 2014-01-14 2018-09-12 The Procter and Gamble Company Produit multi-couches pour ameliorer l'aspect et la sensation de la peau
US20150196464A1 (en) * 2014-01-14 2015-07-16 The Procter & Gamble Company Cosmetic Composition
CN105030568A (zh) * 2014-12-19 2015-11-11 赵雅珺 手部护理液
CN109431963B (zh) * 2018-12-25 2021-10-26 蓓悠清(广东)健康科技有限公司 一种透明油珠悬浮精华水及其制备方法

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Publication number Priority date Publication date Assignee Title
US5009814A (en) 1987-04-08 1991-04-23 Huls Aktiengesellschaft Use of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systems
US5393466A (en) 1991-11-25 1995-02-28 Lever Brothers Company, Division Of Conopco, Inc. Fatty acid esters of polyalkoxylated isethionic acid
US5389279A (en) 1991-12-31 1995-02-14 Lever Brothers Company, Division Of Conopco, Inc. Compositions comprising nonionic glycolipid surfactants
EP0556957A1 (fr) 1992-01-23 1993-08-25 Unilever Plc Composition cosmétique pour le traitement de dessèchement cutané
EP1814632B1 (fr) * 2004-05-19 2011-03-30 Unilever PLC Produits nettoyants liquides personnels contenant une association d'acide gras et d'un systeme structurant a l'amidon hydrosoluble ou hydrodilatable
US20160030313A1 (en) * 2014-07-29 2016-02-04 The Procter & Gamble Company Cosmetic Composition
WO2016018732A1 (fr) * 2014-07-29 2016-02-04 The Procter & Gamble Company Régime à étapes multiples pour améliorer l'aspect et le toucher de la peau humaine
US20200170918A1 (en) * 2018-12-03 2020-06-04 Henkel Ag & Co. Kgaa Naturally thickened cosmetic cleaning agents
WO2021053397A1 (fr) * 2019-09-20 2021-03-25 Roquette Freres Composition cosmétique ou dermatologique pour le nettoyage et/ou le démaquillage comprenant de l'acide succinique pour prévenir, réduire ou éliminer les imperfections cutanées, traiter des troubles cutanés et prévenir, traiter et lutter contre les états hyper séborrhéiques du cuir chevelu
WO2024002647A1 (fr) * 2022-06-30 2024-01-04 Unilever Ip Holdings B.V. Composition de lavage stable avec tensioactif zwitterionique insaturé

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