KR100985368B1 - Liquid Cosmetics - Google Patents

Abstract

The present invention provides a liquid cosmetic having excellent usability and stability over time even in the presence of a water-soluble L-ascorbic acid derivative.

The following components (a) to (c),

(d) polyoxyethylene sterol derivatives having an added mole number of ethylene oxide of 2 to 30 moles,

(b) emollients,

(c) water-soluble L-ascorbic acid derivatives

It is contained as an essential component, and also provides the liquid cosmetics whose compounding mass ratio of component (a) and component (b) is 20: 1-1:20.

Liquid cosmetics and water-soluble L-ascorbic acid derivatives

Description

Liquid Cosmetics

The present invention is a liquid cosmetics that can stably disperse the softener in the presence of a water-soluble ascorbic acid derivative, more specifically, excellent in moisturizing effect and excellent in feeling without stickiness (adhesiveness or adhesion, viscosity) in use, and It relates to a liquid cosmetic composition with no change in appearance over time.

Conventionally, the water-soluble ascorbic acid derivative is excellent in the whitening effect and is incorporated in most cosmetics. However, such cosmetics, when combined with a large amount of water-soluble vitamin C derivatives, have a unique stickiness or coating feeling and it is difficult to obtain a sufficient feeling of use. In order to satisfy the feeling of use, a method of antagonizing the feeling of stickiness by blending a high molecular weight substance such as a water-soluble polymer or wax, or a method of suppressing the feeling of sticking by blending a softener such as oil is used. However, it has been technically difficult to realize such a method in liquid cosmetics.

In addition, in the liquid cosmetics, when a necessary and sufficient amount of the softener is blended in the water-soluble ascorbic acid derivative solution, it is difficult to secure stability as a cosmetic while maintaining the liquid phase. Techniques for blending softeners into liquid cosmetics include Japanese Patent Application Laid-Open No. 2000-229812, Japanese Patent Application Laid-Open No. 6-1876, Japanese Patent Application Laid-Open No. 6-99271, and Japanese Patent Application Laid-Open No. 8-16047. Not obtained.

The present invention has been made under such circumstances, that is, it relates to a liquid cosmetic containing a water-soluble ascorbic acid derivative, and also excellent in use and time stability.

MEANS TO SOLVE THE PROBLEM As a result of earnestly examining in order to solve the said subject, when the liquid cosmetics containing a water-soluble L-ascorbic acid derivative contain a specific polyoxyethylene sterol derivative and a softener, it has the outstanding usability and time-lapse stability. Discovered to complete the present invention.

That is, this invention is a component (a)-(c) shown next,

(a) a polyoxyethylene sterol derivative having an average added mole number of ethylene oxide of 2 to 30 moles,

(b) softeners,

(c) A liquid cosmetic comprising a water-soluble L-ascorbic acid derivative as an essential component, and the content mass ratio of component (a) and component (b) is 20: 1 to 1:20. Moreover, it is related with the liquid cosmetics containing an anionic surfactant of component (d), and relates to the liquid cosmetics whose average particle diameter of the dispersion droplet of a component (b) softener is 0.5 micrometer or less.

Hereinafter, the structure of this invention is demonstrated.

The polyoxyethylene sterol derivative of component (a) used in the present invention is a surfactant contained in order to stably disperse the component (b) softener, and has a polyoxyethylene chain in its hydrophilic group and a sterol skeleton in the lipophilic group. . The sterol skeleton specifically refers to cholesterol, phytosterol, cholestanol, dihydrocholesterol and the like, and any of those extracted from animals and plants and those obtained by chemical synthesis can be used. The average added mole number of the ethylene oxide constituting the polyoxyethylene chain which is a hydrophilic group is 2 to 30 moles per mol of the sterol skeleton to maintain the stability of the liquid cosmetic, but preferably 5 to 20 moles is more preferable from the viewpoint of stability improvement. Valid. Specifically, polyoxyethylene (5 to 30) cholesterol ether, polyoxyethylene (5 to 30) phytosterol ether, polyoxyethylene (5 to 30) dihydrocholesterol ether, polyoxyethylene (5 to 30) cholestanol Ether and the like. Commercially available products thereof include velpol C-10 (Yoshikawa Seyou), EMALEX CS-5, 10, 15, 20, 24, 30 (above, Sasaki Chemical, Nippon Emulsion), and belpol DCH- as a cholesterol derivative. 30 (Yoshikawa Seiu), NIKKOL DHC-20, DHC-30 (above Nikko Chemicals), phytosterol derivatives NIKKOL BPS-10 (Nikko Chemicals et al.), Generol 122E5, 122E10, 122E16, 122E25 (Sasaki Kagaku) ), And the like. Such polyoxyethylene sterol derivatives may be used alone or in combination of two or more, as necessary.

The content of the component (a) used in the present invention is preferably 0.001 to 10% by mass (hereinafter referred to simply as "%") with respect to the total mass of the liquid cosmetic. In addition, in this specification, "mass%" means "weight." % "Is the same meaning), More preferably, it is 0.01 to 3%. If it is this range, the liquid cosmetics with a favorable usability and time-lapse stability can also be obtained.

The softener of component (b) used in the present invention refers to a component which is used in cosmetics to give luster to skin and hair and keep them soft. In this application, an oily component is used. These can be any of those extracted from natural products and those synthesized chemically. At room temperature, the solid, paste, liquid, and other properties may be used. However, the paste or liquid at room temperature is more preferable since the usability can be further improved.

Specific examples of the oily component include hydrocarbon oils such as liquid paraffin, hydrogenated polyisobutene, isoparaffin, paraffin, ceresin, petrolatum, and microcrystalline wax; Isononyl isononyl, isononate isotridecyl, isopropyl myristate, cetyl octanoate, octylate octylate, isopropyl palmitate, butyl stearate, hexyl laurate, myristic acid Steel, myritic acid-2-hexyldecyl, palmitic acid 2-hexyldecyl, palmitic acid 2-ethylhexyl, oleic acid oleic acid, oleic acid, palmitic acid-2-heptyl, octanoic acid hexyldecyl, stearic acid Isopropyl acid, isocetyl stearate, isocetyl isostearate, isstearyl isostearate, ethylene glycol di-2-ethylhexanoate, neopentyl glycol di-2-ethylhexanoate, neopentyl glycol dicapric acid, Diisostearyl malic acid, glyceryl tri-2-ethylhexanoate, glyceryl tri (capryl / capric) acid, glyceryl tritriate, glyceryl tri-2-heptyl undecane, triisopalmitic acid Glyceryl, tri-2-ethylhexanoic acid trimethylol propane, triisostearic acid trimethylol Ropan, tetra-2-ethylhexanoate pentaerythritol, castor oil fatty acid methyl ester, diisobutyl adipic acid, N-lauroyl-L-glutamic acid-2-octyldodecyl ester, adipic acid di-2-heptyl undecyl , Di-2-ethylhexyl sebacic acid, 2-hexyldecyl adipic acid, 2-ethylhexyl succinate, propylene glycol di-2-ethylhexanoate, propylene glycol dicapric acid, dialkyl carbonate (14, 15 alkyl carbon atoms) ), Cetyl lactate, myristyl lactate, lanolin acetate, cholesteryl 12-hydroxystearate, cholesteryl isostearate, phytosteryl 12-hydroxystearate, phytosteryl isostearic acid, etc. Ester oil or triglyceride oil obtained by;

Wheat germ oil, rice germ oil, mad foam oil, rosemary oil, olive oil, castor oil, jojoba oil, macadamia nut oil, safflower oil and other plant oils, lanolin, mink oil, squalane, squalene, pristane, orange rape Animal oils and fish oils such as oils;

Silicone oils such as methyl polysiloxane, methylphenyl polysiloxane, methylcyclopolysiloxane, alkyl modified silicone, and polyether modified silicone;

Lauryl alcohol, cetyl alcohol, stearyl alcohol, behenyl alcohol, myristyl alcohol, oleyl alcohol, setstearyl alcohol, 2-decyl tetradecyl alcohol, lanolin alcohol, hexyl dodecanol, isostearyl alcohol, octyldo Higher alcohols such as decanol, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, oleic acid, undecylenic acid, tolic acid, isostearic acid, linoleic acid, linoleic acid, eicosa Higher fatty acids such as pentaenoic acid (EPA) and docosahexaenoic acid (DHA);                     

Monostearylglyceryl ethers such as fat-soluble vitamins such as vitamin E and its derivatives, vitamin A and its derivatives, fat-soluble vitamin C, fat-soluble licorice extract, fat-soluble camomile extract, fat-soluble rosemary extract, and triterpenes. Oily components, such as batyl alcohol), ceramide, its derivatives, sterols, such as cholesterol and phytosterol, are mentioned.

Among these, preferred softeners are components dissolved at 95 degrees of ethanol (about 92.9 to 93.6 mass% at 15 ° C), isononyl isononate, isotridecyl isononate, and glyceryl tri-2-ethylhexanoate. Palmityl ethyl hexanoate, glyceryl tri (capryl-capric) acid, pentaerythritol tetra-2-ethylhexanoate, trimethylol propane triisostearate, neopentyl glycol dicaproate, propylene glycol dicapric acid, Methylphenyl polysiloxane etc. are mentioned. These can be used 1 type or in combination of 2 or more types as needed.

Content of such a component (b) becomes like this. Preferably it is 0.01 to 5% with respect to the liquid cosmetics total mass. If it is this range, the liquid cosmetics which are excellent in a softening effect and have a favorable usability can be obtained.

In addition, if the above-mentioned mass ratio (a) :( b) of component (a) and component (b) is in the range of 1:20 to 20: 1, the feeling of stickiness is reduced. Moreover, Preferably the effect of this invention becomes more remarkable that it is the range of 1: 10-10: 1. (In addition, in this specification, a "mass ratio" is synonymous with a "weight ratio.").

The water-soluble L-ascorbic acid derivative of component (c) used in the present invention has a whitening effect, and is not particularly limited as long as it is water-soluble. Specifically, sodium L-ascorbate, L-ascorbate, and M-ascorbate magnesium And L-ascorbic acid phosphate, L-ascorbic acid phosphate, L-ascorbic acid phosphate, L-ascorbic acid sulfate, L-ascorbate magnesium sulfate, L-ascorbic acid sulfate. Among these, magnesium L-ascorbic acid phosphate, sodium L-ascorbic acid phosphate, and sodium L-ascorbic acid sulfate are preferable. These can be used 1 type or in combination of 2 or more types as needed.

Content of these components (c) becomes like this. Preferably it is 0.01 to 5%, More preferably, it is 0.1 to 3% with respect to the liquid cosmetics total mass. If it is this range, the whitening effect is excellent, there is no stickiness, and the stable liquid cosmetics can be obtained. In addition, if the content mass ratio (b) :( c) of the component (b) and the component (c) is in the range of 1: 300 to 300: 1, the feeling of stickiness is further reduced. More preferably, the effect of the present invention becomes more remarkable in the range of 1:30 to 30: 1.

When the component (d) anionic surfactant is added to the present invention, an improvement in the time course stability can be expected. Examples of the anionic surfactant include alkyl sulfate ester salts such as sodium lauryl sulfate and potassium lauryl sulfate, polyoxyethylene (hereinafter simply referred to as "POE"), POE alkyl ether sulfate esters such as lauryl sulfate triethanolamine and POE sodium lauryl sulfate. Salts, N-acyl sarcosinates such as sodium lauroyl sarcosin, N-stearyl-N-methyltaurine sodium, N-palmitoyl-N-methyltaurine sodium, N-myristoyl-N-methyltaurine sodium Higher fatty acid amide sulfonates such as sodium fatty acid methyl taurine, sodium lauryl methyl taurine, sodium POE lauryl ether phosphate, sodium POE myristyl ether phosphate, sodium POE palmity ether phosphate, sodium POE oleyl ether phosphate, POE alkyl ether phosphate ester salts such as sodium POE stearyl ether phosphate, sodium di-2-ethylhexyl sulfosuccinate, monolauroyl monoethanolamide POE sulfosuccinic acid Sulfosuccinates such as cerium and lauryl polypropylene glycol sulfosuccinate, alkylbenzene sulfonates such as potassium dodecylbenzenesulfonate and dodecylbenzenesulfonate triethanolamine, monosodium N-lauroyl monoglutamic acid, and N-stearoyl N-acyl glutamate such as disodium glutamate and sodium N-myristoyl-L-glutamate, and higher fatty acid ester sulfate salts such as hardened palm oil fatty acid sodium glycerin sulfate, POE alkyl ether carboxylic acid, POE alkyl allyl ether carboxyl Acid salts, α-olefin sulfonates, higher fatty acid ester sulfonates, secondary alcohol sulfate ester salts, higher fatty acid alkylamide sulfate ester salts, lauroyl monoethanolamide sodium succinate, N-palmitoyl aspartic acid ditriethanolamine, sodium casein Can be mentioned.

Among them, N-stearyl-N-methyltaurine sodium, N-palmitoyl-N-methyltaurine sodium, N-myristoyl-N-methyltaurine sodium, palm oil fatty acid methyltaurine sodium, laurylmethyltaurine sodium, POE POE alkyl ether phosphate ester salts such as sodium lauryl ether phosphate, sodium POE myristyl ether phosphate, sodium POE palmity ether phosphate, sodium POE oleyl ether phosphate, sodium POE stearyl ether phosphate, etc. As what is expected, it is mentioned preferably. These can be used 1 type or in combination of 2 or more types as needed.

Content of these components (d) becomes like this. Preferably it is 0.001 to 5% with respect to the liquid cosmetics total mass, More preferably, it is 0.01 to 3%. If it is this range, stability improvement can be expected further.

Although the liquid cosmetics of the present invention are stabilized by containing the above components (a) to (c), the average particle diameter of the dispersion droplets of the component (b) softener is 0.5 µm or less, more preferably 0.05 to 0.3 µm or less, further time. Improvement of elapsed stability can be expected. Such fine dispersion droplets can also be obtained by the condensation method shown below, but more uniform and fine dispersion droplets can be obtained by further high pressure homogenizer treatment. In addition, the average particle diameter of a dispersion droplet is the value measured using COULTER NS-4 type (made by Coulter Counter).

In addition, the liquid phase of the liquid cosmetics of this invention means that it is fluid when used in a general state, and the viscosity value in 20 degreeC exists in the range of 5-40,000 mPa * s. Preferably it is the range of 10-20,000 MPa * s, More preferably, it is the range of 10-5,000 mPa * s, and it can be expected to become a liquid cosmetic with a good usability.

Although the manufacturing method of the liquid cosmetics of this invention is not specifically limited, It is suitably selected according to the prescription characteristic of the cosmetics to mix | blend. Examples thereof include a condensation method for dispersing a surfactant, a softener and the like dissolved in alcohol in an aqueous system, and a method for producing using mechanical force such as a high pressure homogenizer.

The liquid cosmetics of the present invention can be used not only in cosmetics but also in quasi-drugs and external medicines. For example, various liquid agents, such as a lotion, a cosmetic liquid, and fragrance | flavor composition, are mentioned. Moreover, using this liquid cosmetics in formulations, such as a spray and a mousse, by a well-known method, it is also possible to impregnate a nonwoven fabric etc. and to make a sheet form preparation.

The liquid cosmetics of the present invention may contain components contained in the fields of ordinary cosmetics, quasi-drugs, external medicines, etc. within a range in which the effects of the present invention are not impaired. For example, nonionic surfactants, moisturizers, polymers, ultraviolet absorbers, metal ion sequestrants, neutralizers, pH adjusters, antioxidants, antibacterial agents, preservatives, pigments, powders, pigments, flavoring agents, pharmaceutical agents, etc. other than the component (a) These can be mentioned and can be used suitably as needed.

Although an Example is given to the following and this invention is demonstrated to it in more detail, this invention is not limited by these at all.

Examples 1-15 and Comparative Examples 1-7; toilet water

The lotion of the composition shown in Table 1, Table 2 (all Example), and Table 3 (comparative example) was manufactured, and it evaluated about time-lapse stability, usability, and the average particle diameter of emulsified droplet.                     

(Production method)

A: The components 1-8 are mixed and dissolved at 40 degreeC.

B: Components 9 to 11 were mixed and dissolved at room temperature.

C: A was added and mixed with B to obtain a lotion.

(Evaluation Method 1: Time-lapse Stability)

The obtained lotion was set in a 50 degreeC thermostat for 2 weeks, and it observed by visually confirming the presence or absence of the appearance change, such as separation.

[evaluation]                     

(Double-circle): Appearance change is not recognized at all.

○: Almost no change in appearance was observed.

(Triangle | delta): Appearance changes, such as a separation | separation, are confirmed.

X: Appearance changes, such as separation, are remarkably confirmed.

(Evaluation method 2: feeling)

The feeling of use (freshness, no stickiness) when applied to the skin by ten professional evaluation panels was evaluated in five steps based on the following criteria, and further determined from the average point.

[evaluation]

5 points | pieces: Very good.

4 points | pieces: Good.

3 points: Normal.

2 points | piece: Poor.

1 point | piece: Very bad.

[Judgment]

◎: 4.5 points or more

○: 3.5 points or more less than the average point

△: less than 3.5 points average point 2.5

×: less than 2.5 points average

(Evaluation method 3: average particle diameter)                     

About the lotion immediately after manufacture, the average particle diameter of emulsified droplet was measured with COULTER NS-4 type (made by Coulter Counter), and the following evaluation criteria evaluated.

[evaluation]

◎: 0.3 μm or less

(Circle): 0.3 micrometer or more and 0.5 micrometer or less

(Triangle | delta): More than 0.5 micrometer 5.0 micrometers or less

×: 5.0 µm or more

The result obtained by the above evaluation method is shown together in Tables 1-3.

As is clear from the results of Table 1 and Table 2, the lotion of Examples 1 to 15 according to the present invention had an excellent appearance even when blended with water-soluble magnesium ascorbate, and was excellent in time lapse stability and usability. On the other hand, in the comparative example of Table 3, the thing which can satisfy all the items was not obtained.

Example 16: lotion

(ingredient) (%)

1.Polyoxyethylene (5) Cholesteryl ether 0.03

2. Polyoxyethylene (10) cholesteryl ether 0.03

3. Polyoxyethylene (6) Alkyl (C12-18) ether Sodium Phosphate 0.02

4. tetra-2-ethylhexanoate pentaerythritol 0.05

5. Glyceryl tri-2-ethylhexanoate 0.05

6. Tetra-2-hexyldecanoic acid ascorbyl 0.01                     

7. Vitamin E Acetate 0.01

8. Ethanol 5.0

9. 1,3-butylene glycol 10.0

10.L-ascorbic acid magnesium phosphate 3.0

11.Sodium Citrate0.5

12. Disodium Edetate 0.03

13. Ogon Extract 0.01

14. Carrot Extract 0.01

15. Dipotassium Glytilinate 0.01

16.Phenoxyethanol 0.01

17. Lavender Water 10.0

18.L-serine 0.1

19. Preservatives

20. Residual water remaining

(Production method)

A: The components 1-8 are mixed and dissolved at 40 degreeC.

B: Components 9 to 20 are mixed and dissolved at room temperature.

C: A was added and mixed with B to obtain a lotion.

The lotion of Example 16 was a lotion having an average particle diameter of 0.3 µm or less, less stickiness of water-soluble magnesium ascorbate, and excellent stability over time.

Example 17: Lotion

(ingredient) (%)

1.Polyoxyethylene (10) Phytosterol Ether 0.1

2. Polyoxyethylene (20) Cured Castor Oil 0.05

3. Sodium Polyoxyethylene (6) Alkyl (C12-18) Ether 0.1

4. Jojoba Oil 0.2

5. Dicapric acid neopentyl glycol 0.2

6. Fat-soluble Rosemary Extract 0.01

7. Vitamin E Nicotinate 0.01

8. Ethanol 10.0

9. Glycerin 10.0

10. Polyoxyethylene (10) Methylglucose 3.0

11.Sodium Citrate0.5

12. Disodium Edetate 0.03

13. Yulmu Extract 0.01

14. Sodium 2-hydroxy-4-methoxybenzophenone-5-sulfonate 0.01

15.Magnesium L-ascorbate 1.0

16. Methyl Paraoxybenzoate 0.01

17. Sodium Pyroglutamate 0.2                     

18. Sodium Lactate 0.1

19. Sodium Hyaluronate 2.0

20. Residual water remaining

(Production method)

A: The components 1-8 are mixed and dissolved at 40 degreeC.

B: Components 9-20 were dissolved by mixing at room temperature.

C: A was added and mixed with B to obtain a lotion.

The lotion of Example 17 was a lotion having an average particle diameter of 0.3 µm or less, less stickiness of water-soluble magnesium ascorbate, sufficient softening feeling, and excellent stability over time.

Example 18 Serum

(ingredient) (%)

1.Polyoxyethylene (5) cholestanol ether 0.1

2. Polyoxyethylene (30) cholestanol ether 0.03

3. Hydrogenated Soybean Phospholipid 0.5

4. Ceramide III 0.01

5. Glyceryl tri-2-ethylhexanoate 0.05

6. Fat-soluble Licorice Extract 0.01

7. Vitamin A Palmitate 0.01

8. Dipropylene Glycol 5.0                     

9. Purified water 20.0

10.L-Sodium Ascorbate 0.3

11.Sodium Citrate0.05

12.Citrate 0.01

13. Carboxy vinyl polymer 1% aqueous solution 15.0

14. Polyethylene glycol 400 1.0

15. Glycerin 5.0

16. Xanthan gum 1% aqueous solution 3.0

17.Aminomethylpropanol 0.3

18. Spherical Nylon Powder 0.1

19. Preservatives

20. Residual water remaining

(Production method)

A. Mix and dissolve components 1 to 8 at 85 ° C.

B. Heat 9 at 85 ° C. and add A with sufficient stirring.

C. Cool B and atomize by high pressure homogenizer.

D. Mix and dissolve 10-20.

E. C was added and mixed to D to obtain a cosmetic liquid.

The cosmetic liquid of Example 18 was a cosmetic liquid having an appropriate viscosity having an average particle diameter of 0.3 µm or less, less stickiness of water-soluble sodium ascorbate, sufficient softening feeling, and excellent stability over time.

Example 19: Serum

(ingredient) (%)

1.Polyoxyethylene (10) cholesteryl ether 0.05

2. Polyoxyethylene (10) isostearyl ether 0.05

3. Sodium polyoxyethylene (6) Alkyl (C12-18) ether 0.1

4. tetra-2-ethylhexanoate pentaerythritol 0.05

5. Methylphenylpolysiloxane 0.5

6. Decamethylcyclopentasiloxane 0.1

7. Natural Vitamin E 0.01

8. Ethanol 5.0

9. Glycerin 10.0

10.Magnesium L-ascorbate 0.5

11.Sodium Lactate0.5

12.Lactic Acid 0.03

13. Camomile Extract 0.01

14. Oolong Tea Extract 0.01

15. 1% aqueous solution of methyl cellulose 10.0

16. Queen's Seed Extract 20.0

17. Polyacrylamide 0.02                     

18. Polyethyleneglycol 20000 0.5

19. Preservatives

20. Residual water remaining

(Production method)

A: The components 1-8 are mixed and dissolved at 40 degreeC.

B: Components 9 to 20 are mixed and dissolved at room temperature.

C: A was added and mixed with B to obtain a cosmetic liquid.

The cosmetic liquid of Example 19 was a softening cosmetic liquid with an average particle diameter of 0.5 micrometer or less, the stickiness of water-soluble magnesium ascorbic acid phosphate, softening feeling, and excellent stability over time.

Example 20 Cleansing Lotion

(ingredient) (%)

1.Polyoxyethylene (5) Cholesteryl ether 0.03

2. Polyoxyethylene 20 Cured Castor Oil 0.03

3. Polyoxyethylene (8) Alkyl (C12-18) ether Sodium Phosphate 0.02

4. tetra-2-ethylhexanoate pentaerythritol 0.1

5. Paramethoxy cinnamic acid octyl 0.05

6. Polyoxyethylene (5) Lauryl diethanolamide 0.02

7. Glytitinic Acid Stearyl 0.01

8. Anhydrous Ethanol 15.0                     

9. Propylene Glycol 2.0

10.L-Sodium Ascorbate 2.0

11.Sodium Citrate0.5

12. Disodium Edetate 0.03

13. Sodium dihydrogenphosphate 0.01

14. Hamamelis Extract 0.01

15. Crystalline Cellulose Powder 0.05

16. Kaolin 0.01

17. Cornflower 10.0

18. Acetyl Glutamic Acid 0.1

19. Preservatives

20. Residual water remaining

(Production method)

A: The components 1-8 are mixed and dissolved at 40 degreeC.

B: Components 9 to 20 are mixed and dissolved at room temperature.

C: A was added and mixed with B to obtain a cleansing lotion.

This invention product was a cleansing lotion which has an average particle diameter of 0.3 micrometer or less, little stickiness of water-soluble sodium ascorbate, and excellent stability over time.

As described above, the liquid cosmetic of the present invention was excellent in time-lapse stability and good feeling in the presence of the water-soluble L-ascorbic acid derivative while utilizing the whitening effect of the water-soluble L-ascorbic acid derivative.

Claims (3)

Components (a) to (d) shown below, (a) polyoxyethylene (5) cholesteryl ether, (b) softeners, (c) water-soluble L-ascorbic acid derivatives, and (d) anionic surfactants It is contained as an essential component, the content mass ratio of component (a) and component (b) is 20: 1-1:20, content of component (c) is 0.3% or more, and the viscosity value in 20 degreeC is 10-5,000. Liquid cosmetics characterized by the range of mPa * s. delete The liquid cosmetic according to Claim 1, wherein the average particle diameter of the dispersion droplets of the component (b) softener is 0.5 µm or less.