JP5666817B2 - O / W / O emulsified cosmetic - Google Patents

Description

  The present invention relates to an oil-in-water-in-oil type (hereinafter referred to as O / W / O type) emulsified cosmetic comprising an oil-in-water type (hereinafter referred to as O / W type) emulsion composition dispersed in an oil phase.

  Diethylaminohydroxybenzoyl hexyl benzoate and bisethylhexyloxyphenol methoxyphenyl triazine are known as effective ultraviolet absorbers for preventing sunburn (for example, Patent Documents 1 and 2). However, diethylaminohydroxybenzoyl hexyl benzoate and bisethylhexyloxyphenol methoxyphenyl triazine are known to be poorly soluble substances, and it is difficult to mix them stably in the state of coexisting with silicone oil. In order to solve this problem, a silicone oil-containing composite emulsion containing an organically modified clay mineral (for example, Patent Document 3), an ester oil agent that satisfies the solubility of a hardly soluble substance (for example, Patent Document 4), and a slightly soluble ultraviolet absorption An ultraviolet absorbing powder in which an agent is encapsulated in spherical polymer particles (for example, Patent Document 5) has been proposed.

JP 2000-319628 A JP-A-9-188666 Japanese Patent Laid-Open No. 10-28858 JP 2005-206573 A JP 2009-91307 A

  However, when the technique using an organically modified clay mineral is made into an emulsion for the purpose of improving elongation, the storage stability as a preparation may be insufficient. In addition, the technology using ester oils that satisfy the solubility of hardly soluble substances is difficult to blend with other oils that do not satisfy the solubility, and may not be fully satisfied with the feeling of use such as spread and non-stickiness. It was. Furthermore, the technique using the ultraviolet absorbing powder in which the poorly soluble ultraviolet absorber is encapsulated in the spherical polymer particles may not be sufficiently satisfied in the feeling of use such as feeling spread and powderiness. For this reason, it has been desired to develop a cosmetic material that can stably incorporate hexyl diethylaminohydroxybenzoyl benzoate and bisethylhexyloxyphenol methoxyphenyl triazine and is excellent in feeling of use such as expansion and non-stickiness.

As a result of intensive studies, the present inventors formulated hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine in the inner oil phase of the O / W emulsion composition emulsified with phospholipid, and O / W / O emulsified cosmetics with a silicone surfactant in the outer oil phase can be stably formulated with diethylaminohydroxybenzoyl hexyl benzoate and bisethylhexyloxyphenol methoxyphenyl triazine. As a result, the present invention was completed.
That is, this invention solves the said subject,
An O / W emulsion composition containing (a) an oil agent, (b) hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyltriazine, (c) phospholipid, and (d) water,
(E) a silicone-based surfactant, and (f) an outer oil phase containing an oil agent,
Dispersed O / W / O type emulsified cosmetics are provided.

  According to the present invention, there is provided an O / W / O type emulsified cosmetic that can stably blend diethylaminohydroxybenzoyl hexyl benzoate and bisethylhexyloxyphenol methoxyphenyl triazine, and has an excellent feeling of use such as spreading and non-stickiness. Can be provided.

The present invention will be described below. In the present specification, a numerical range represented by using “to” means a range including numerical values described before and after “to” as a lower limit value and an upper limit value.
The present invention relates to a technique for stably blending an emulsified cosmetic with a poorly soluble ultraviolet absorber, such as hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine. Diethylaminohydroxybenzoyl hexyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine are poorly soluble and have a plurality of double bonds in the molecule and are characterized by high polarity. Therefore, it is difficult to mix in a non-polar or low-polar oil such as silicone oil which has excellent usability, and there is a problem that precipitation occurs over time. In the present invention, diethylaminohydroxybenzoyl hexyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine is added to the inner oil phase of an O / W emulsion composition containing a phospholipid as an emulsifier, and the O / W emulsion is further added. By dispersing the composition in an outer oil phase containing a silicone surfactant, hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine is stably blended in the inner oil phase, In addition, it provides an emulsified cosmetic that is excellent not only in stability over time, but also in feeling of use such as expansion and non-stickiness.
Hereinafter, each component used for manufacture of the O / W / O type emulsified cosmetic of the present invention and a manufacturing method thereof will be described in detail.

(1) O / W type emulsion composition The O / W / O type emulsion cosmetic of the present invention comprises (a) an oil agent, (b) hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine, ( It is obtained by dispersing an O / W emulsion composition containing c) phospholipid and (d) water in the outer oil phase.

(A) Oil agent in inner oil phase The oil agent in the inner oil phase of the O / W emulsion composition has a high polarity, and component (b) hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine A polar oil that is soluble is preferred. An ester oil is mentioned as a highly polar oil agent. As the ester oil, any of monoester, diester, triester and the like can be used. Among them, ethylhexyl methoxycinnamate is a highly polar oil agent and itself has a UV-B absorption ability, so that it is preferable from the viewpoint of improving the ultraviolet absorption ability. Others, triethylhexanoin, octyl salicylate, dioctyl succinate, isotridecyl isononanoate, isopropyl myristate, cetyl octanoate, octyldodecyl myristate, isopropyl palmitate, butyl stearate, hexyl laurate, myristyl myristate, decyl oleate, Hexyldecyl dimethyloctanoate, cetyl lactate, myristyl lactate, lanolin acetate, isocetyl stearate, isocetyl isostearate, cholesteryl 12-hydroxystearate, ethylene glycol di-2-ethylhexanoate, dipentaerythritol fatty acid ester, monoisostearic acid N -Alkyl glycol, neopentyl glycol dicaprate, diisostearyl malate, di-2-heptylundecane Glycerin, tri-2-ethylhexanoic acid trimethylolpropane, triisostearic acid trimethylolpropane, tetra-2-ethylhexanoic acid pentaerythritol, triisostearic acid trimethylolpropane, cetyl 2-ethylhexanoate, 2-ethylhexyl palmitate Glyceryl trimyristate, glyceride tri-2-heptylundecanoate, castor oil fatty acid methyl ester, oleyl oleate, cetostearyl alcohol, acetoglyceride, 2-heptylundecyl palmitate, diisobutyl adipate, N-lauroyl-L-glutamic acid 2-octyldodecyl, di-2-heptylundecyl adipate, ethyl laurate, di-2-ethylhexyl sebacate, 2-hexyldemyristate , 2-hexyldecyl palmitate, 2-hexyldecyl adipate, diisopropyl sebacate, triethyl citrate, octylcinnamate, ethyl-4-isopropylcinnamate, methyl-2,5-diisopropylcinnamate, ethyl-2, 4-diisopropylcinnamate, methyl-2,4-diisopropylcinnamate, propyl-p-methoxycinnamate, isopropyl-p-methoxycinnamate, isoamyl-p-methoxycinnamate, octyl-p-methoxycinnamate (2- Ethylhexyl-p-methoxycinnamate), 2-ethoxyethyl-p-methoxycinnamate, cyclohexyl-p-methoxycinnamate, ethyl-α-cyano-β-phenylcinnamate, 2-ethylhexyl-α-cyano- Synthetic ester oils such as β-phenylcinnamate, glyceryl mono-2-ethylhexanoyl-diparamethoxycinnamate, etc., for example, medowfoam oil, avocado oil, camellia oil, turtle oil, macadamia nut oil, corn oil, mink oil , Olive oil, rapeseed oil, egg yolk oil, sesame oil, persic oil, wheat germ oil, sasanqua oil, castor oil, flaxseed oil, safflower oil, cottonseed oil, eno oil, soybean oil, peanut oil, tea seed oil, kaya oil, rice bran oil Oil, cinnagar oil, jojoba oil, germ oil, triglycerin, glyceryl trioctanoate, glycerin triisopalmitate, and the like can also be used. As the oil agent of the inner oil phase, two or more kinds can be used in combination as necessary.

(B) Predetermined ultraviolet absorber The inner oil phase of the O / W emulsion composition contains component (b) hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyl triazine, which is an ultraviolet absorber. To do. Although these ultraviolet absorbers may be the same as the compounding amount of the component (a), in terms of solubility, it is preferable that the compounding amount is lower than the compounding amount of the component (a).

(C) Phospholipid The O / W emulsion composition contains phospholipid as a dispersant and / or an emulsifier that enables the inner oil phase to be dispersed in an aqueous phase. By using phospholipid, the inner oil phase can be stably dispersed in the aqueous phase. Instead of phospholipid, a dispersant other than phospholipid (for example, polyoxyethylene hydrogenated castor oil that is a nonionic surfactant and N-stearoyl-L-glutamate sodium that is an anionic surfactant) Even if it is added to the phase and the O / W / O type emulsified cosmetic is prepared, the O / W / O type cannot be maintained over time, and the predetermined ultraviolet absorber is in the aqueous phase or It precipitates as crystals in the outer oil phase. In the present invention, the aging stability of the O / W / O type emulsified cosmetic is improved by using phospholipid as a dispersant.

  The phosphorus is generally known as phospholipid, such as soybean lecithin extracted from natural soybean and egg yolk, egg yolk lecithin and / or hydrogenated lecithin hydrogenated with these, hydrogenated soybean lecithin, hydrogenated egg yolk lecithin and synthetic phospholipids. Can be used. As the type of phospholipid, for example, phosphatidylcholine, phosphatidylethanolol amine, phosphatidylserine, phosphatidic acid, phosphatidylinositol and the like are preferably used. Examples of the fatty acid constituting the phospholipid include saturated and unsaturated carboxylic acids having 7 to 22 carbon atoms. Examples of commercially available products include Resinol S-10EZ (Nikko Chemicals Co., Ltd.), HSL-70 (YMC Co., Ltd.), Basis LS-60HR, Basis LP-20 (Nisshin Oilio Group Co., Ltd.), and the like.

  The O / W emulsion composition may contain cholesterol / and / or phytosterol as an agent that contributes to improving the dispersibility in the aqueous phase, in addition to phospholipid. These agents contribute to the improvement of dispersibility, and also contribute to a moisturizing effect and a feeling of firmness. Moreover, in this invention, the commercial item with which cholesterol etc. were mixed previously can also be used as a component (c) phospholipid. Examples of commercially available phospholipid / cholesterol mixtures include EXTRASOME MMC (Nissho Co., Ltd.), PRESOME CS2-101 (Nippon Seika Co., Ltd.), Basis CL-20 (Nisshin Oilio Group Co., Ltd.); Phospholipid / Phytosterol Examples of commercially available mixtures include PHYTOPRESOME (Nippon Seika Co., Ltd.) and PYTOCOMPO-PP (Nippon Seika Co., Ltd.).

  A water-soluble medicinal agent may be added to the aqueous phase of the O / W emulsion composition. Moreover, you may add the anionic or cationic surfactant etc. which contribute to dispersion stability.

There is no restriction | limiting in particular about the preparation method of the said O / W type emulsion composition. An example is as follows.
First, the components (a) to (c) are mixed and heated if necessary to dissolve the component (b) in the component (a). The obtained oily composition is added to water and stirred to obtain an O / W type emulsion composition. Further, it is preferable to make fine particles by stirring under high pressure. Finer particles are preferable because the dispersion stability of the O / W emulsion composition in the outer oil phase can be improved. A high-pressure stirring device such as a microfluidizer can be used for the fine particle formation. By carrying out high-pressure stirring treatment, the average particle size of the O / W emulsion composition is preferably 500 nm or less, and more preferably 300 nm or less. Although the average particle size is preferably as small as possible, the lower limit of the average particle size will be 50 nm when micronized by high-pressure stirring. The average particle size was measured using a Beckman Coulter Coulter Counter.

(2) Outer oil phase The O / W / O type emulsified cosmetic of the present invention is obtained by dispersing the O / W type emulsified composition in an outer oil phase containing a silicone surfactant. In the present invention, the silicone surfactant in the outer oil phase contributes to the dispersion stability of the O / W emulsion composition in the outer oil phase and also improves the feeling of use. For example, even if a non-silicone surfactant such as sorbitan sesquioleate is added to the outer oil phase in place of the silicone surfactant, the stability improvement effect and the usability improvement effect of the present invention cannot be obtained.

(E) Silicone-based surfactant The silicone-based surfactant that can be used in the present invention is not particularly limited as long as it is contained as an emulsifier for a water-in-oil cosmetic. Specifically, polyoxyethylene / methylpolysiloxane copolymer, methylpolysiloxane / cetylmethylpolysiloxane / poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer, poly (oxyethylene / oxypropylene) methylpoly Examples thereof include siloxane copolymers, PEG-9 polydimethylsiloxyethyl dimethicone, polyoxyethylene methylsiloxane / polyoxypropylene oleylmethylsiloxane / dimethylsiloxane copolymer, and polyglycerin-modified organopolysiloxane. An example is a compound represented by the following formula (1).

で表されるオルガノシロキサンであって、ｇは１≦ｇ≦５、ｈは０≦ｈ≦１００の整数であり、Ｒ³は水素原子若しくは炭素数１〜３０の炭化水素基である。 In the formula, l is an integer 1 ≦ l ≦ 100, m is an integer 1 ≦ m ≦ 15, n is an integer 1 ≦ n ≦ 15, R ¹ is a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, a Is an integer of 0 ≦ a ≦ 15, b is an integer of 2 ≦ b ≦ 200, c is an integer of 0 ≦ c ≦ 200, and b + c is an integer of 3 to 200.
R ² represents the following general formula (2)

Wherein g is an integer of 1 ≦ g ≦ 5, h is an integer of 0 ≦ h ≦ 100, and R ³ is a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms.

  As these commercial products, polyoxyethylene / methylpolysiloxane copolymers are KF-6015, KF-6016, KF-6017 (manufactured by Shin-Etsu Chemical Co., Ltd.), methylpolysiloxane / cetylmethylpolysiloxane / poly ( Oxyethylene / oxypropylene) methylpolysiloxane copolymer is ABIL-EM90 (manufactured by Goldschmidt), poly (oxyethylene / oxypropylene) methylpolysiloxane copolymer is ABIL-EM97 (manufactured by Goldschmidt), PEG-9 polydimethylsiloxyethyl dimethicone is KF-6028 (manufactured by Shin-Etsu Chemical Co., Ltd.), and polyoxyethylene methylsiloxane / polyoxypropylene oleylmethylsiloxane / dimethylsiloxane copolymer is KF-6026 (manufactured by Shin-Etsu Chemical Co., Ltd.). ) Polyglycerin-modified organopolysiloxane, KF-6105 (Shin-Etsu Chemical Co., Ltd.), and others, respectively. Among these, polyoxyethylene / methylpolysiloxane copolymer and PEG-9 polydimethylsiloxyethyl dimethicone are more preferable from the viewpoint of stability over time and improvement in usability. Two or more silicone surfactants can be used in combination as required.

(F) Oil agent of outer oil phase There is no restriction | limiting in particular also about the oil agent of the outer oil phase used for this invention, It can select from the various oil agents conventionally used for skin external preparations, such as cosmetics. Since the outer oil phase greatly affects the feeling of use when it is applied to the skin, it is preferable to use an oil agent that is excellent in feeling of use, and in that respect, a silicone oil that is not sticky is preferred. As the silicone oil, any of linear dimethylpolysiloxane, branched dimethylpolysiloxane, cyclic dimethylpolysiloxane, methylphenylpolysiloxane, fluorine-modified organopolysiloxane and the like may be used. These silicone oils can be used in combination of two or more as required. In addition to silicone oils, oil agents such as low molecular weight hydrocarbon oils and liquid ester oils are also preferable as the oil agents used in the outer oil phase of the present invention because they are excellent in use feeling. Moreover, you may use with silicone oil.

  An oil gelling agent or the like may be added to the outer oil phase as an agent for improving the feel control agent or stability with time (emulsification stability). For example, distearyl diammonium hectorite, dextrin fatty acid ester, inulin fatty acid ester, hydrolyzed inulin fatty acid ester and the like can be added.

The O / W emulsion composition can be dispersed in the outer oil phase according to a usual method. An example is as follows.
The component (e) and the component (f) are mixed to prepare an oily composition in which the component (e) is dispersed and / or dissolved in the component (f). The O / W type emulsion composition is gradually added to the oily composition, and the O / W type emulsion composition is dispersed in the oily composition by stirring to obtain an O / W / O type. An emulsified cosmetic is obtained.

The content of the components (a) to (f) in the O / W / O type emulsified cosmetic of the present invention is adjusted according to the stability of the system. Preferably,
0.1 to 10% of component (a),
0.1 to 10% of component (b),
Component (c) is 0.1 to 5%,
1 to 60% of component (d),
Component (e) is 0.1 to 10%, and component (f) is 5 to 99%;
More preferably,
3 to 7% of component (a),
2-7% of component (b),
Component (c) 0.5-3%,
Component (d) is 20 to 50%,
Component (e) is 1 to 6%, and component (f) is 10 to 50%.

  The O / W / O type emulsified cosmetic of the present invention may contain other components in addition to the above (a) to (f). For example, an ultraviolet absorber other than the predetermined ultraviolet absorber of the component (b) may be contained, and the inclusion of other ultraviolet absorbers is preferable because the ultraviolet absorbing ability is further improved. Among them, the benzotriazole type ultraviolet absorber can be stably blended in the O / W / O type emulsified cosmetic of the present invention. An example of the benzotriazole type ultraviolet absorber includes a compound represented by the following formula (3).

In the formula, R ⁴ and R ⁵ may be the same or different and are selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 5 to 12 carbon atoms, and an aryl group. It represents an alkyl group having 1 to 18 carbon atoms which may be substituted with one or more groups.
Among these, R ⁴ and R ⁵ are the same, and both of these groups are a methyl group, a 1,1,3,3-tetramethylbutyl group, or a tert-butyl group. It is particularly preferred that R ⁴ and R ⁵ are both 1,1,3,3-tetramethylbutyl groups. This highly preferred benzotriazole type UV absorber, namely 2,2′-methylenebis [6- (2H-benzotriazol-2-yl) -4- (1,1,3,3-tetramethylbutyl) phenol ] Is commercially available from BASF in the form of a 50% by mass aqueous dispersion as TINOSORB M, and this commercial product can also be used in the present invention.
In addition, the compound of said Formula (1) is contained in the water phase of the O / W / O type emulsified cosmetic of the present invention.

  The O / W / O type emulsified cosmetic of the present invention is a component generally used in cosmetics as an optional component in addition to the above components, for example, a water-soluble component, a humectant, an oil agent, a surfactant, a thickener. Ingredients used in normal cosmetics, such as powders, pigments, film-based preparations, pH adjusters, anti-fading agents, antioxidants, antifoaming agents, cosmetic ingredients, preservatives, fragrances, etc. It can be blended as appropriate within a quantitative and qualitative range.

Hereinafter, the present invention will be described in more detail with reference to examples. Note that these do not limit the present invention.
O / W / O type emulsified cosmetics having the compositions shown in the following table were prepared.

(Manufacturing method)
A. Components 1 to 12 are uniformly mixed and dissolved at a temperature of 80 ° C.
B. Ingredients 13-17 are mixed uniformly at a temperature of 70 ° C.
C. B is added to A and emulsified (O / W emulsion composition is obtained).
D. Cool C to room temperature.
E. Using a microfluidizer (manufactured by Mizuho Kogyo Co., Ltd.), high-pressure stirring is performed to reduce the particle size of D.
F. Ingredients 18-23 are uniformly mixed at a temperature of 35 ° C. or lower.
G. E was dispersed in F to obtain an O / W / O type emulsified cosmetic.

(Evaluation method: Stability over time (crystal precipitation))
The O / W / O type emulsified cosmetics of Examples and Comparative Examples were stored in a thermostatic bath at 5 ° C. for 2 months, and the presence or absence of crystal precipitation was observed and determined using the following (i) four-step criteria.
(B) Four-step criteria (average score): (judgment)
Crystals are not recognized in 2 months: ◎
Crystals are not recognized in one month: ○
Crystals are observed in 2 weeks: △
Crystals are observed in one week: ×

(Evaluation method: feeling of use (good elongation))
10 panelists specializing in cosmetics evaluation, for each sample, evaluate the goodness of elongation on a five-point scale based on the following (b) evaluation criteria, and further determine the average score of each sample using (c) a four-step criterion. did.
(B) Five-level evaluation criteria (Score): (Evaluation)
4: Very good
3: Good
2: Neither
1: Somewhat bad
0: Poor (C) Four-step criteria (average score): (Judgment)
3.5 or more: ◎
2.5 or more and less than 3.5: ○
1.5 or more and less than 2.5: △
Less than 1.5: ×

(Evaluation method: feeling of use (no stickiness))
The 10 panelists specializing in cosmetics evaluation evaluated the non-stickiness of each sample in four levels according to the following (d) evaluation criteria, and the average value of each sample was evaluated using (e) the four-step criteria. Judged.
(D) Four-level evaluation criteria (Rating): (Rating)
3: No stickiness at all
2: No stickiness
1: Slightly sticky
0: Stickiness (e) 4-step criteria (average score): (judgment)
2.5 or more: ◎
1.5 or more and less than 2.5: ○
0.5 or more and less than 1.5: △
Less than 0.5: ×

Further, for each sample of Examples 1 to 6, without performing the E step of the above production method, that is, an O / W type emulsion composition having an average particle size of about 1 μm was dispersed in F, and O / W / O emulsion cosmetics were prepared and evaluated in the same manner as described above.
As a result, all the samples had the same feeling in use as the results in Table 1 above, but the samples of Examples 1 and 2 had a “stability (crystal precipitation)” evaluation of “◎” to “◯”. Changed. From this result, the stability of the obtained O / W / O type emulsified cosmetic is obtained by dispersing the O / W type emulsified composition in the outer oil phase after the average particle size is reduced to 500 nm or less by stirring under high pressure. It can be understood that the sex is further improved.

[Example 7: Cream]
(Ingredient) (%)
1. Hydrogenated lecithin * 3 3.0
2. Glycerin 15.0
3.1,3-Butylene glycol 15.0
4). Ethylparaben 0.1
5. Phytosterol 0.9
6). Diethylaminohydroxybenzoyl hexyl benzoate 1.0
7). Bisethylhexyloxyphenol methoxyphenyl triazine 3.0
8). Ethylhexyl methoxycinnamate 4.0
9. Triethylhexanoin 1.0
10. Purified water remaining amount 11. Methylenebisbenzotriazolyltetramethylbutylphenol 2.0
12 Decyl glucoside 0.3
13. Xanthan gum 0.008
14 Propylene glycol 0.016
15. PEG-9 polydimethylsiloxyethyl dimethicone 2.0
16. Lauryl PEG-9 polydimethylsiloxyethyl dimethicone 1.0
17. Decamethylcyclopentasiloxane 10.0
18. Dimethylpolysiloxane 5.0
19. Propylene glycol dicaprate 5.0
20. Disteadimonium hectorite 1.0
21. Perfume appropriate amount * 3: Product name: PHYTOCOMPO-PP (including phytosterol)

(Manufacturing method)
A. Ingredients 1 to 9 are uniformly mixed and dissolved at a temperature of 80 ° C.
B. Ingredients 10-14 are mixed uniformly at a temperature of 70 ° C.
C. B is added to A and emulsified (O / W emulsion composition is obtained).
D. Cool C to room temperature.
E. Using a microfluidizer (manufactured by Mizuho Kogyo Co., Ltd.), high-pressure stirring is performed to reduce the particle size of D.
F. Ingredients 15 to 21 are uniformly mixed at a temperature of 35 ° C. or lower.
G. E was dispersed in F to obtain a cream.

  The cream of Example 7 is an O / W / O type emulsified cosmetic that can stably contain hexyl diethylaminohydroxybenzoyl benzoate and bisethylhexyloxyphenol methoxyphenyltriazine, and is excellent in feeling of use such as spread and no stickiness. Met.

[Example 8: Base cosmetic]
(Ingredient) (%)
1. Hydrogenated lecithin * 3 1.0
2. Glycerin 8.0
3. 1,3-butylene glycol 8.0
4). Methyl paraoxybenzoate 0.1
5. Phytosterol 0.2
6). Diethylaminohydroxybenzoyl hexyl benzoate 2.0
7). Bisethylhexyloxyphenol methoxyphenyl triazine 2.0
8). Ethylhexyl methoxycinnamate 4.0
9. Triethylhexanoin 1.0
10. Purified water remaining amount 11. Sodium lactate 2.0
12 Methylenebisbenzotriazolyltetramethylbutylphenol 2.0
13. Decyl glucoside 0.3
14 Xanthan gum 0.008
15. Propylene glycol 0.016
16. PEG-9 polydimethylsiloxyethyl dimethicone 2.0
17. Cetyl dimethicone copolyol 1.0
18. Decamethylcyclopentasiloxane 15.0
19. Dimethylpolysiloxane 5.0
20. Isotridecyl isononanoate 2.0
21. Dextrin palmitate 0.5
22. Inulin stearate 0.5
23. Disteadimonium hectorite 1.0
24. Silicone-treated titanium oxide 1.2
25. Silicone-treated Bengala 0.03
26. Silicone-treated yellow iron oxide 0.15
27. Silicone-treated black iron oxide 0.005
28. Silicone-treated fine particle titanium oxide 0.3
29. Nylon powder 1.0
30. Perfume

(Manufacturing method)
A. Ingredients 1 to 9 are uniformly mixed and dissolved at a temperature of 80 ° C.
B. Ingredients 10-15 are uniformly mixed at a temperature of 70 ° C.
C. B is added to A and emulsified (O / W emulsion composition is obtained).
D. Cool C to room temperature.
E. Using a microfluidizer (manufactured by Mizuho Kogyo Co., Ltd.), high-pressure stirring is performed to reduce the particle size of D.
F. Ingredients 16 to 30 are uniformly mixed and dispersed with a roll mill.
G. E was dispersed in F to obtain a base cosmetic.

  The base cosmetic of Example 8 can stably blend hexyl diethylaminohydroxybenzoyl benzoate and bisethylhexyloxyphenol methoxyphenyl triazine, and is an O / W / O type emulsification excellent in feeling of use such as expansion and no stickiness. It was a cosmetic.

Claims (4)

An O / W emulsion composition containing (a) an oil agent, (b) hexyl diethylaminohydroxybenzoyl benzoate and / or bisethylhexyloxyphenol methoxyphenyltriazine, (c) phospholipid, and (d) water,
(E) a silicone-based surfactant, and (f) an outer oil phase containing a silicone oil ,
A dispersed O / W / O type emulsified cosmetic ,
The (e) silicone-based surfactant in the outer oil phase is a silicone compound represented by the following general formula (1)

[Wherein, l is an integer of 1 ≦ l ≦ 100, m is an integer of 1 ≦ m ≦ 15, n is an integer of 1 ≦ n ≦ 15, R ¹ is a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, a is an integer of 0 ≦ a ≦ 15, b is an integer of 2 ≦ b ≦ 200, c is an integer of 0 ≦ c ≦ 200, and b + c is an integer of 3 to 200.
R ² represents the following general formula (2)

Wherein g is an integer of 1 ≦ g ≦ 5, h is an integer of 0 ≦ h ≦ 100, and R ³ is a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms. ],
O / W / O type emulsified cosmetics which further contain the benzotriazole type ultraviolet absorber represented by the following general formula (3) as a component (g).

[Wherein R ⁴ and R ⁵ may be the same or different and are each selected from the group consisting of an alkyl group having 1 to 4 carbon atoms, a cycloalkyl group having 5 to 12 carbon atoms, and an aryl group. Represents an alkyl group having 1 to 18 carbon atoms, which may be substituted with one or more groups. ] The O / W / O type emulsified cosmetic according to claim 1, wherein the (a) oil agent in the O / W type emulsified composition is a polar oil. The O / W / O type emulsified cosmetic according to claim 1 or 2, wherein (a) the oil in the O / W type emulsified composition is ethylhexyl methoxycinnamate. The O / W / O type emulsified cosmetic according to any one of claims 1 to 3, wherein an average particle size of the O / W type emulsified composition is 500 nm or less.