JP4934242B2 - Skin cosmetics - Google Patents

Description

【００２６】
表１の結果から、本発明皮膚化粧料（実施例１〜３）は、植物の抽出物由来の不快臭を再現性よく充分にマスキングし、皮膚化粧料の香りとしてやさしく気にならないものであった。一方、（ｂ）成分を含有しない皮膚化粧料（比較例１）は、香りとして刺激的で好ましくなく、（ｃ）成分を含有しない皮膚化粧料（比較例２）は、刺激臭のマスキングが不充分であって、植物の抽出物由来の不快臭のマスキングと化粧料としてのやさしい香りを両立させるには、（ｂ）成分、（ｃ）成分の両成分の配合が必要であった。
【００２７】

【００２８】

【００２９】
実施例４及び５の皮膚化粧料は、不快臭もなくやさしく気にならない香りであった。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a skin fragrance having a gentle fragrance with improved unpleasant odor derived from plant extracts.
[0002]
[Prior art]
Plant extracts such as aloe, sage, hamamelis, eucalyptus, rosemary, etc. have a wide range of functions such as moisturizing, astringent, anti-inflammatory, antibacterial, blood circulation promotion, cell activation, etc. Skin cosmetics for the purpose of having such functions Used as an ingredient.
[0003]
[Problems to be solved by the invention]
However, plant extracts have a unique herbal irritating odor, and when this is added to skin cosmetics, for example, there is a problem that it becomes an unpleasant odor when applied to the skin and reduces the value as a product. there were. In order to prevent such an unpleasant odor, a special blended fragrance formulation has been conventionally designed for the purpose of masking. However, in order to sufficiently mask the unpleasant odor, it is necessary to use a large amount of a fragrance component having a strong and strong scent, and there is a problem that the fragrance is too strong to give an unpleasant odor.
[0004]
[Means for Solving the Problems]
The present inventors have studied to suppress a herbal medicine-like stimulating unpleasant odor derived from a plant extract without using a stimulating and strong-scented fragrance component. By blending the specific perfume ingredients of b) and component (c), the skin has a gentle scent that eliminates the unpleasant odor characteristic of the plant extract when applied to the skin, and has a gentle scent and no discomfort I found out that cosmetics can be obtained.
[0005]
That is, the present invention includes the following components (a), (b) and (c),
(A) an extract of a plant selected from the family Myrtaceae and Lamiaceae,
(B) linalool, cis-3-hexenol, estragole, undecabertool, phenylethyl alcohol, rose oxide, benzyl acetate, cedryl acetate, styryl acetate, ethyl 2-methylbutyrate, allyl heptanoate, dimethyl A compound selected from benzyl carvinyl acetate, cis-3-hexenyl acetate, phenylethyl isobutyrate, methyl benzoate, lyral, methyl hydrocinnamic aldehyde, hexyl cinnamic aldehyde, and γ-undecalactone,
(C) a compound selected from aliphatic hydrocarbons having 10 carbon atoms and aliphatic alcohols having 10 carbon atoms (excluding linalool)
It provides a skin cosmetic containing
[0006]
DETAILED DESCRIPTION OF THE INVENTION
The component (A) plant extract used in the present invention is a substance obtained by solvent extraction from the myrtaceae and Lamiaceae plants, and is basically a substance having an unpleasant odor.
As for the Myrtaceae and Lamiaceae plants used in the present invention, as for Myrtaceae, Tenninka (Rhodomyrtus), Eucalyptus, Eugenia, Syzygium, Callistemon and the like, Ajuga ), Nepeta, Lamium, Sage Salvia, Rosemarinus, Perilla and the like. Of these, eucalyptus, sage, and rosemary are preferable, and eucalyptus is particularly preferable.
[0007]
Extraction methods from plants include, for example, a part or the whole of flowers, leaves, stems, branches, etc. of plants without being dried or dried, and if necessary, finely cut or pulverized and extracted with a solvent at room temperature or under heating. Or various solvent extracts obtained by extraction using an extractor such as a Soxhlet extractor, a diluted solution thereof, a concentrated solution thereof, or a dried powder thereof.
[0008]
Examples of the solvent used for extraction include water, an organic solvent, and a mixture thereof, and an organic solvent or a mixture of water and an organic solvent is particularly preferable. Preferred examples of the organic solvent include hydrocarbons such as petroleum ether, cyclohexane, toluene and benzene; halogenated hydrocarbons such as dichloromethane, chloroform and carbon tetrachloride; ethers; esters such as ethyl acetate; ketones such as acetone. Alcohols such as methanol, ethanol, propanol, butanol, polyethylene glycol, propylene glycol, butylene glycol; pyridine and the like.
[0009]
When aqueous alcohol is used as the organic solvent, for example, a plant extract is obtained by subjecting the plant to extraction treatment at 3 to 70 ° C.
[0010]
As a specific example of a preferable extraction method from a plant, 5000 g of a 30-70 v / v% aqueous ethanol solution or 1,3-butanediol aqueous solution is added to 1000 g of a dry pulverized product, and extraction is performed while occasionally stirring at room temperature. The obtained extract is filtered, and if necessary, the filtrate is allowed to stand and then filtered again to obtain a plant extract as a supernatant. The obtained extract can be used as it is, and after the extract has been diluted, concentrated, or lyophilized, it can be prepared in a powder or paste form and appropriately formulated. Further, if necessary, it may be used after being purified by a known method. What extracted in this way may be used for a plant extract, and a commercial item may be utilized for it.
[0011]
The content of the plant extract in the skin cosmetics of the present invention is preferably 0.0001 to 10% by weight (hereinafter simply expressed as%) as a dry solid, from the viewpoints of effects, compoundability, and feeling of use. 001 to 5% is particularly preferable.
[0012]
The present invention masks the herbal medicine-like unpleasant odor of the component (a) by using the combination of the component (b) and the component (c) among the fragrance components, and is gentle on the whole fragrance of the skin cosmetic. Impressive.
[0013]
Among the components (b) used in the present invention, linalool, cis-3-hexenol, phenylethyl alcohol, benzyl acetate, ethyl-2-methylbutyrate, hexylcinnamic aldehyde, and γ-undecalactone are preferable.
[0014]
The component (b) in the skin cosmetic of the present invention is used alone or in combination of two or more, and the content is preferably 0.001 to 1%, particularly preferably 0.003 to 0.05%.
[0015]
As preferred specific compounds of the component (c) used in the present invention, the following simple fragrances, α-pinene, β-pinene, γ-terpinene, limonene, terpinolene, camphene, p-menthane, myrcene, decenol, terpineol, Examples include 1-menthol, borneol, t-butylcyclohexanol, citronellol, dihydromyrcenol, geraniol, myrsenol, nerol, mugor, and hydroxycitronellol. Of these, α-pinene, limonene, terpineol, citronellol, and geraniol are particularly preferable.
[0016]
Component (c) is used alone or in combination of two or more, and the content of component (c) in the skin cosmetic of the present invention is preferably 0.001 to 1%, particularly 0.005 to 0.1%. preferable.
[0017]
The total content of the component (b) and the component (c) in the skin cosmetic of the present invention is preferably 0.003 to 1%, particularly preferably 0.01 to 1% from the viewpoints of masking effect and scent control.
[0018]
In addition to the above-mentioned components, the skin cosmetic of the present invention includes ordinary external bases, other medicinal components, moisturizers, ultraviolet absorbers, alcohols, chelates, pH adjusters, preservatives, thickeners, pigments Etc. can be arbitrarily combined and blended. The base for external use used here may be any of those based on an oily base, those based on an oil / water, water / oil type emulsifying base, and those based on water. . Examples of the oily base include vegetable oil, animal oil, synthetic oil, silicone oil, fatty acid, natural or synthetic glyceride and the like. Moreover, as said medicinal component, for example, an analgesic, an anti-inflammatory agent, a whitening component, a bactericidal disinfectant, vitamins, a skin softener and the like can be used as necessary.
Examples of the form of the skin cosmetic of the present invention include ointments, creams, emulsions, lotions, gels, packs, poultices, foundations, powders, aerosols and the like.
[0019]
【Example】
(1) Production and Production of Plant Extracts 1 Eucalyptus extract Eucalyptus leaves 1000 g of dried pulverized leaves of eucalyptus were immersed in 5000 mL of 50 v / v% 1,3-butanediol aqueous solution at room temperature (20 ° C.) for 7 days. The obtained extract was filtered, and the filtrate was allowed to stand at 5 ° C. for 3 days and then filtered again to obtain a supernatant eucalyptus extract. This was concentrated and concentrated until the effective concentration of eucalyptus extract reached 50%.
[0020]
Production Example 2 Sage, Rose Marie Extract An extract in the same manner as in Production Example 1 except that the 50 v / v% 1,3-butanediol aqueous solution of Production Example 1 was changed to a 40 v / v% 1,3-butane glycol aqueous solution. (Effective concentration 50%) was obtained.
[0021]
(2) Sensory evaluation method The odor immediately after the skin cosmetic was applied to the arms of 10 professional panelists in an amount of 0.1 mL / cm 2 was subjected to sensory evaluation based on the following criteria.
[0022]
(1) Masking property evaluation test It was evaluated according to the following evaluation criteria whether the crude drug odor derived from the plant extract was masked.
Masking evaluation criteria (rank: condition)
3: well masked 2: almost masked 1: masking is insufficient
(2) Evaluation criteria for fragrance From the viewpoint of skin cosmetics, the gentle impression of fragrance was evaluated according to the following evaluation criteria.
Evaluation criteria for fragrance tenderness (rank: condition)
3: I don't care about a gentle impression 2: I don't care about a gentle impression, I am a little worried 1: I don't have a gentle impression, I'm worried
Examples 1 to 3 and Comparative Example The following components were mixed according to a conventional method to prepare an emulsified skin cosmetic.
(Ingredient) (%)
Palmitic acid 0.5
Olive oil 2.0
Cetanol 1.0
Jojoba oil 5.0
Monohexadecyl phosphate sodium salt 2.0
Sorbitan monostearate 0.5
Glycerin 15.0
Ethanol 5.0
Lactic acid 2.0
Eucalyptus extract (Production Example 1 ) 0.1
Fragrance (Table 1) 0.1
Ingredient (b)
Ingredient (c)
Other fragrance ingredients
Purified water balance
Total 100.0
Table 1 shows the average rank scores of 10 professional panelists.
[0025]
[Table 1]

[0026]
From the results of Table 1, the skin cosmetics of the present invention (Examples 1 to 3) sufficiently masked unpleasant odors derived from plant extracts with good reproducibility and did not bother gently as the scent of skin cosmetics. It was. On the other hand, skin cosmetics not containing component (b) (Comparative Example 1) are not preferred because they are irritating as fragrance, and skin cosmetics not containing component (c) (Comparative Example 2) do not mask irritating odors. In order to satisfy both the masking of unpleasant odors derived from plant extracts and the gentle fragrance as a cosmetic, it was necessary to blend both components (b) and (c).
[0027]

[0028]

[0029]
The skin cosmetics of Examples 4 and 5 had an unpleasant odor and a gentle scent.

Claims (3)

The following components (a), (b) and (c),
(A) rhodomyrtus tomentosa (Rhodomyrtus), eucalyptus (Eucalyptus), rose apple (Eugenia), Choji (Syzygium), Burasshinoki (Callistemon), Kiransou (Ajuga), Misogakusou (Nepeta), dead nettle (Lamium), Salvia (sage Salvia)及 beauty Solvent extract of plant selected from perilla, alcohol selected from methanol, ethanol, propanol, butanol, polyethylene glycol, propylene glycol and butylene glycol, water, or a mixture of the alcohol and water What is used as an extraction solvent 0.0001 to 10% by weight as a dry solid
(B) linalool, cis-3- hexenol, full E sulfonyl ethyl alcohol, base down Jill acetate, cedryl acetate, an ethyl 2-methylbutyrate, selected from F hexyl cinnamic aldehyde and γ- undecalactone compound 0. 001 to 1% by weight
(C) α-pinene, β-pinene, γ-terpinene, limonene, terpinolene, camphene, p-menthane, myrcene, decenol, terpineol, l-menthol, borneol, t-butylcyclohexanol, citronellol, dihydromyrcenol, Compound selected from geraniol, myrsenol, nerol, mugor and hydroxycitronellol 0.001-1 wt%
Containing skin cosmetics. Skin cosmetic according to claim 1, wherein the plant is one or more members selected eucalyptus and Se di or al. The skin cosmetic according to claim 1 or 2 , wherein the total content of the component (b) and the component (c) is 0.003 to 1% by weight.