JP2007119419A - Cosmetic for nail care - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a means for ameliorating accumulated damage of the nail sometimes appearing following the use of nail enamel. <P>SOLUTION: The cosmetic for nail care contains a lavender essential oil. The care of the nail is carried out for a person using the nail enamel by coating the cosmetic to repair the damage of the nail at night. The cosmetic is preferably the one not accompanying wiping operation, and the dosage form is preferably an oil-in-water emulsion type. Preferably a silk protein hydrolyzate is contained therein, and more preferably phytosterol is contained therein. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a nail care cosmetic, and more particularly to a nail care cosmetic suitable for a nail enamel user.

  Nail enamel is a long-lasting cosmetic. Normally, a pigment or dye is dissolved or dispersed in a solvent together with a film preparation, and after coating on the nail, the film containing the pigment or dye is coated on the nail. It is a cosmetic with a structure that deposits on the surface. Such cosmetics are applied to fingertips that are easy to get into the eyes, so that they are easily recognized by others, and can be said to be suitable cosmetics for allowing others to form their own impressions. For this reason, it has a long history as described above. The film forming agent usually used in such cosmetics is an organic solvent-soluble film forming agent such as nitrocellulose, and an organic solvent such as acetone, toluene, ethyl acetate, isopropyl alcohol is used as the solvent. The For this reason, in the long-term use of nail color, it is possible that the nail will be severely aggravated by the combined damage of nail damage caused by organic solvents, damage caused by blockage of the coating, and damage caused by nitric acid caused by decomposition of nitrocellulose. did. For such complex damage, the use is interrupted halfway, and the nail damage is recovered with a nail care cosmetic during the interruption period. (For example, refer to Patent Document 1) However, although complex damage is remarkably reduced by such treatment, there are cases in which the aftereffects of cumulative damage such as yellowing and loss of aesthetics remain, and it cannot be said that it is sufficient Met.

  On the other hand, lavender essential oil is an ingredient used as a cosmetic raw material for the purpose of imparting fragrance to cosmetics. It is known. (For example, see Patent Document 2, Patent Document 3, and Patent Document 4) However, nail care cosmetics containing lavender essential oil can be used for long-term use of nail enamel. It was also not known at all to have an effect of remarkably improving the accumulative nail damage caused.

JP-A-8-333222 JP 2005-206596 A JP 2005-206573 A Japanese Patent Laid-Open No. 2005-200339

  The present invention has been made under such circumstances, and it is an object of the present invention to provide means for improving accumulative nail damage that sometimes appears with the use of nail enamel.

In view of such circumstances, the present inventors have intensively researched for a means to improve the accumulative nail damage that sometimes appears with the use of nail enamel. The nail care cosmetics have been found to have such characteristics, and the present invention has been completed. That is, the present invention is as follows.
(1) A cosmetic for nail care, comprising a lavender essential oil.
(2) The nail care is applied by a person using nail enamel to repair the damage of the nail at night, and is not accompanied by a wiping operation. (1) Cosmetics described in 1.
(3) The cosmetic according to (1) or (2), wherein the dosage form is an oil-in-water emulsifier form.
(4) The cosmetic according to any one of (1) to (3), further comprising a silk protein hydrolyzate.
(5) The cosmetic according to any one of (1) to (4), further comprising phytosterol.

  ADVANTAGE OF THE INVENTION According to this invention, the means which improves the accumulative damage of a nail which sometimes appears with nail enamel use can be provided.

(1) Lavender essential oil which is an essential component of the cosmetic of the present invention The cosmetic of the present invention is a cosmetic for nail care, and contains lavender essential oil. Here, the lavender essential oil means a water-insoluble essential oil portion obtained by steam-distilling the flowers, persimmons and their peripheral parts of Lavandula angustifolia, and collecting the water-insoluble essential oil parts. Known plants include True Lavender, Okamurasaki, Hidd Coat Blue, Lady, Rosea, Super Sapphire Blue, Super Sevillean Blue, Spike Lavender, Sweet Lavender, Dentata, Hybrida, Multifida, Pedunclata, Stoekas, Viridis, etc. Yes. Any of these can be used in the cosmetic of the present invention. The essential oil thus obtained contains a fragrant monoterpene such as linalool and has a fragrance. In the cosmetic of the present invention, such an ingredient has an action of promoting the recovery of damage caused by the nail and a protective action of making the nail less susceptible to damage. Therefore, when it is treated at night with a cosmetic containing such ingredients, it recovers the damage of the nail and exerts the effect of preventing the nail from being damaged by the nail enamel the next day. In order to fully exhibit such an action, in the cosmetic composition of the present invention, such a component is preferably contained in an amount of 0.001 to 1% by mass, and more preferably 0.005 to 0.001. 3% by mass. The fragrance derived from such ingredients is excellent in masking off-odours derived from resins, thereby masking off-odours sometimes felt when applying nail enamel, and thereby reducing the cosmetic effect that has been impaired by this. .

(2) Cosmetics of the present invention The cosmetics of the present invention are cosmetics for nail care, which contain the above-mentioned essential ingredients, and a person who uses nail enamel prevents the nail enamel from affecting the nail. It is used for the purpose. As a use opportunity, it should be treated at the time when nail enamel is not applied, such as at night. That is, it is preferable to use the nail enamel immediately after it is removed at night, and leave it until the nail enamel is applied again in the morning. The dosage form of the cosmetic of the present invention is not particularly limited as long as it is a dosage form used in cosmetics, but an emulsified system that can contain an aqueous component and an oily component is preferable. Particularly preferred is an oil-in-water emulsion system. This is because it is preferable that both an aqueous component and an oily component exist for recovery from nail damage. Even in such a form, the nail which is a hydrophilic protein film is preferably an oil-in-water emulsifier type in which an aqueous component is an outer phase.

  In the cosmetics of this invention, the arbitrary component normally used by cosmetics other than the said essential component can be contained. Such optional ingredients include, for example, macadamia nut oil, avocado oil, corn oil, olive oil, rapeseed oil, sesame oil, castor oil, safflower oil, cottonseed oil, jojoba oil, coconut oil, palm oil, liquid lanolin, hydrogenated coconut oil Oil, wax, oil such as beeswax, canola wax, carnauba wax, ibotarou, lanolin, reduced lanolin, hard lanolin, jojoba wax, liquid paraffin, squalane, pristane, ozokerite, paraffin, ceresin, petrolatum , Hydrocarbons such as microcrystalline wax; higher fatty acids such as oleic acid, isostearic acid, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, undecylenic acid; cetyl alcohol, stearyl alcohol, isostearyl Higher alcohols such as alcohol, behenyl alcohol, octyldodecanol, myristyl alcohol, cetostearyl alcohol; cetyl isooctanoate, isopropyl myristate, hexyldecyl isostearate, diisopropyl adipate, di-2-ethylhexyl sebacate, cetyl lactate, malic acid Diisostearyl, di-2-ethylhexanoic acid ethylene glycol, dicaprate neopentyl glycol, di-2-heptylundecanoic acid glycerin, tri-2-ethylhexanoic acid glycerin, tri-2-ethylhexanoic acid trimethylolpropane, tri Synthetic ester oils such as trimethylolpropane isostearate and pentane erythritol tetra-2-ethylhexanoate; dimethylpolysiloxane, methylphenylpoly Linear polysiloxanes such as oxane and diphenylpolysiloxane; cyclic polysiloxanes such as octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, and dodecamethylcyclohexanesiloxane; amino-modified polysiloxane, polyether-modified polysiloxane, alkyl-modified polysiloxane, Oil agents such as silicone oils such as modified polysiloxanes such as fluorine-modified polysiloxanes; Anionic surfactants such as fatty acid soap (sodium laurate, sodium palmitate, etc.), potassium lauryl sulfate, triethanolamine ether of alkyl sulfates; Cationic surfactants such as stearyltrimethylammonium, benzalkonium chloride, laurylamine oxide; imidazoline-based amphoteric surfactants (2-cocoyl-2-imida Zolinium hydroxide-1-carboxyethyloxy disodium salt, etc.), betaine surfactants (alkyl betaine, amide betaine, sulfobetaine, etc.), and amphoteric surfactants such as acylmethyltaurine; sorbitan fatty acid esters (sorbitan) Monostearate, sorbitan sesquioleate, etc.), glycerin fatty acids (glyceryl monostearate, etc.), propylene glycol fatty acid esters (propylene glycol monostearate, etc.), hardened castor oil derivatives, glycerin alkyl ethers, POE sorbitan fatty acid esters (POE sorbitan monooleate, polyoxyethylene sorbitan monostearate, etc.), POE sorbite fatty acid esters (POE-sorbitol monolaurate, etc.), POE glycerin fatty acid ester Tells (POE-glycerol monoisostearate, etc.), POE fatty acid esters (polyethylene glycol monooleate, POE distearate, etc.), POE alkyl ethers (POE2-octyldodecyl ether, etc.), POE alkyl phenyl ethers (POE nonylphenyl) Ethers, etc.), Pluronic types, POE / POP alkyl ethers (POE / POP2-decyltetradecyl ether, etc.), Tetronics, POE castor oil / hardened castor oil derivatives (POE castor oil, POE hardened castor oil, etc.), Nonionic surfactants such as sucrose fatty acid ester and alkyl glucoside; polyethylene glycol, glycerin, 1,3-butylene glycol, erythritol, sorbitol, xylitol, maltitol, propylene Polyhydric alcohols such as recall, dipropylene glycol, diglycerin, isoprene glycol, 1,2-pentanediol, 2,4-hexanediol, 1,2-hexanediol, 1,2-octanediol; sodium pyrrolidonecarboxylate Moisturizing ingredients such as lactic acid and sodium lactate; powders such as mica, talc, kaolin, synthetic mica, calcium carbonate, magnesium carbonate, anhydrous silicic acid (silica), aluminum oxide, barium sulfate, etc. whose surface may be treated Body, the surface may be treated, inorganic pigments such as bengara, yellow iron oxide, black iron oxide, cobalt oxide, ultramarine, bitumen, titanium oxide, zinc oxide; surface may be treated, mica Pearl agents such as titanium, fish phosphorus foil, bismuth oxychloride; red 202 which may be raked, red Color 228, Red 226, Yellow 4, Blue 404, Yellow 5, Red 505, Red 230, Red 223, Orange 201, Red 213, Yellow 204, Yellow 203, Blue 1 No., green 201, purple 201, red 204, etc .; organic powders such as polyethylene powder, polymethyl methacrylate, nylon powder, organopolysiloxane elastomer; para-aminobenzoic acid UV absorbers; anthranils Acid UV absorbers; salicylic acid UV absorbers; cinnamic acid UV absorbers; benzophenone UV absorbers; sugar UV absorbers; 2- (2′-hydroxy-5′-t-octylphenyl) benzo Ultraviolet absorbers such as triazole and 4-methoxy-4′-t-butyldibenzoylmethane; lower grades such as ethanol and isopropanol Alcohols: Proteins derived from collagen and hydrolysates thereof, silk proteins and hydrolysates thereof, cereal proteins such as wheat and hydrolysates thereof; vitamin A or derivatives thereof, vitamin B6 hydrochloride, vitamin B6 tripalmitate Vitamin B6 such as vitamin B6 dioctanoate, vitamin B2 or a derivative thereof, vitamin B12, vitamin B15 or a derivative thereof; vitamin E such as α-tocopherol, β-tocopherol, γ-tocopherol, vitamin E acetate, vitamin D, Preferable examples include vitamins such as vitamin H, pantothenic acid, pantethine, pyrroloquinoline quinone, etc .; antibacterial agents such as phenoxyethanol;

  Among these optional components, particularly preferred components include protein-derived components, especially silk proteins or hydrolysates thereof. Among them, “Promois silk-1000” (silk protein hydrolyzate) sold by Seiwa Kasei Kogyo Co., Ltd. is particularly preferable. These components can contain only the seed | species, and can also contain it in combination of 2 or more type. The preferable content is 0.005 to 1% by mass, and more preferably 0.007 to 0.1% by mass, based on the total amount of the cosmetic.

  Moreover, it is also preferable to contain plant sterols, since the function of the damaged site can be complemented, and among them, it is particularly preferable to contain phytosterol glycosides. The preferable content of such components is 0.0005 to 0.1% by mass, and more preferably 0.0007 to 0.01% by mass, based on the total amount of the cosmetic.

  The cosmetic of the present invention can be produced by treating the above components according to a conventional method.

  Hereinafter, the present invention will be described in more detail with reference to examples, but it is needless to say that the present invention is not limited to such examples.

  According to the formulation shown below, a cosmetic 1 for nail care, which is a cosmetic of the present invention, was prepared. That is, weigh ingredients a, b and c, heat i and b to 80 ° C, gradually add b to emulsify with stirring, cool with stirring, and add ingredients c at a temperature of 45 ° C. In addition, stirring and cooling were further continued to obtain a cosmetic 1 for nail care.

Isetanol 4% by mass
Behenyl alcohol 2.5% by mass
Ethylene glycol monostearate 0.5% by mass
POE (60) hydrogenated castor oil 4% by mass
Stearic acid 0.5% by mass
Squalane 3% by mass
Dimethicone 7% by mass
Campesterol glucoside 0.001% by mass
1,3-butanediol 10% by mass
1,2-hexanediol 5% by mass
Polyethylene glycol 6000 1% by mass
Polyethylene glycol 10000 0.5% by mass
"Promoise Silk-1000" 0.01% by mass
61.889% by mass of water
Harabender essential oil (true lavender) 0.1% by mass

<Test Example 1>
About the cosmetic 1 for nail care, the damage prevention effect was evaluated with the comparative example 1 which substituted the lavender essential oil of the cosmetic 1 with water, and the comparative example 2 substituted with sage essential oil. 30 minutes after the nail is treated with cosmetics, 1N nitric acid is impregnated with absorbent cotton and rubbed, washed quickly with water, and after 24 hours, the color difference from the color of the untreated nail is measured. Evaluation was based on smallness. The results are shown in Table 1. From this, it can be seen that the cosmetic of the present invention is excellent in damage prevention effect.

<Test Example 2>
About the cosmetics 1 for nail care, the damage improvement effect was evaluated with Comparative Example 1 and Comparative Example 2. Evaluation is made by impregnating absorbent cotton with 1N nitric acid and rubbing, quickly washing with water, then treating with cosmetics, and measuring the color difference from the color of the untreated nail 24 hours later. It was evaluated with. The results are shown in Table 1. From this, it can be seen that the cosmetic of the present invention is excellent in damage prevention effect.

<Test Example 3>
About the cosmetics 1 for nail care, the damage improvement effect was evaluated with the use test which used the person who uses nail enamel as a panelist together with Comparative Example 1 and Comparative Example 2. One group consists of 5 people, after removing nail enamel at night, treating with cosmetics, removing morning cosmetics, and then applying nail enamel again for 3 weeks to test nail care Was evaluated on the basis of very good (score 5) good (score 4), slightly good (score 3), good or bad (score 2), slightly bad (score 1), bad (score 0) . The results are shown in Table 3. From this, it can be seen that the cosmetic of the present invention is excellent in nail care effect. It can be seen that the results of Test Examples 1 and 2 are reflected in actual use.

  In the same manner as in Example 1, a cosmetic 2 for nail care, which is a cosmetic of the present invention, was prepared according to the formulation shown below. In the evaluation of Test Example 1, ΔE is 0.62, indicating that it is preferable to contain a silk protein hydrolyzate.

Isetanol 4% by mass
Behenyl alcohol 2.5% by mass
Ethylene glycol monostearate 0.5% by mass
POE (60) hydrogenated castor oil 4% by mass
Stearic acid 0.5% by mass
Squalane 3% by mass
Dimethicone 7% by mass
Campesterol glucoside 0.001% by mass
1,3-butanediol 10% by mass
1,2-hexanediol 5% by mass
Polyethylene glycol 6000 1% by mass
Polyethylene glycol 10000 0.5% by mass
61.899% by mass of water
Harabender essential oil (true lavender) 0.1% by mass

  In the same manner as in Example 1, a cosmetic 3 for nail care, which is a cosmetic of the present invention, was prepared according to the formulation shown below. In the evaluation of Test Example 2, ΔE is 1.53, which indicates that it is preferable to contain plant sterols.

Isetanol 4% by mass
Behenyl alcohol 2.5% by mass
Ethylene glycol monostearate 0.5% by mass
POE (60) hydrogenated castor oil 4% by mass
Stearic acid 0.5% by mass
Squalane 3% by mass
Dimethicone 7% by mass
1,3-butanediol 10% by mass
1,2-hexanediol 5% by mass
Polyethylene glycol 6000 1% by mass
Polyethylene glycol 10000 0.5% by mass
"Promoise Silk-1000" 0.01% by mass
61.89% by mass of water
Harabender essential oil (true lavender) 0.1% by mass

  In the same manner as in Example 1, a cosmetic 4 for nail care, which is a cosmetic of the present invention, was prepared according to the formulation shown below. In the evaluation of Test Example 1, ΔE was 0.51, and stigmasterol was found to have the same effect as campesterol glucoside.

Isetanol 4% by mass
Behenyl alcohol 2.5% by mass
Ethylene glycol monostearate 0.5% by mass
POE (60) hydrogenated castor oil 4% by mass
Stearic acid 0.5% by mass
Squalane 3% by mass
Dimethicone 7% by mass
Stigmasterol 0.001% by mass
1,3-butanediol 10% by mass
1,2-hexanediol 5% by mass
Polyethylene glycol 6000 1% by mass
Polyethylene glycol 10000 0.5% by mass
"Promoise Silk-1000" 0.01% by mass
61.889% by mass of water
Harabender essential oil (true lavender) 0.1% by mass

  In the same manner as in Example 1, a cosmetic 5 for nail care, which is a cosmetic of the present invention, was prepared according to the formulation shown below. In the evaluation of Test Example 1, ΔE was 0.39, and it was found that Super Sevillian Blue has the same effect as True Lavender.

Isetanol 4% by mass
Behenyl alcohol 2.5% by mass
Ethylene glycol monostearate 0.5% by mass
POE (60) hydrogenated castor oil 4% by mass
Stearic acid 0.5% by mass
Squalane 3% by mass
Dimethicone 7% by mass
Campesterol glucoside 0.001% by mass
1,3-butanediol 10% by mass
1,2-hexanediol 5% by mass
Polyethylene glycol 6000 1% by mass
Polyethylene glycol 10000 0.5% by mass
"Promoise Silk-1000" 0.01% by mass
61.889% by mass of water
Harabender essential oil (Super Sebilian Blue) 0.1% by mass

  The present invention can be applied to cosmetics for nails.

Claims (5)

A cosmetic for nail care, comprising lavender essential oil. 2. The nail care according to claim 1, wherein nail enamel is applied by a person using nail enamel to repair nail damage at night and is not accompanied by a wiping action. Cosmetics. Cosmetics according to claim 1 or 2, characterized in that the dosage form is an oil-in-water emulsifier form. The cosmetic according to any one of claims 1 to 3, further comprising a silk protein hydrolyzate. Furthermore, phytosterol is contained, The cosmetics in any one of Claims 1-4 characterized by the above-mentioned.