JPH09291021A - Beautifying and whitening cosmetic - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a beautifying and whitening cosmetic capable of losing blackening of skin due to sunburn or pigmentation of skin such as stain or freckle or making the blackening or the pigmentation hypochromic. SOLUTION: This beautifying and whitening cosmetic improved in beautifying effect is obtained by blending one or more kinds of compounds selected from sap of a plant belonging to the genus Betula of the family Betulaceae, placental extract, linolic acid and its derivative, linoleic acid and its derivative, Angeliace Radix extract, eicosapentanoic acid and its derivative, vitamin A, vitamin B, vitamin E and its derivative, light-sensitive element No.201, light-sensitive element No.401, kojic acid and its derivative.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a sunburn (ultraviolet ray).
The present invention relates to a whitening cosmetic composition that eliminates or diminishes skin pigmentation due to skin darkening or spots, freckles, and the like, or prevents these.

[0002]

2. Description of the Related Art Conventionally, as a whitening cosmetic composition, there has been known a composition containing vitamin C and its derivative, or a reducing agent, a placenta extract, and an activity inhibitor of tyrosinase which produces melanin from tyrosine. For example,
Japanese Unexamined Patent Publication No. 61-194008 describes a cosmetic containing one or more selected from L-ascorbic acid (vitamin C) and its ester, and loofah juice. Also, JP-A-57-7761
Japanese Unexamined Patent Publication No. 0 describes the melanin production inhibitory action of Cucurbitaceae plants.

However, although these conventional whitening cosmetics show a melanin production inhibitory effect in an in vitro experiment using cultured cells, when they are applied to actual skin, they are not effective in eliminating pigmentation or fading. It was not obtained, and there were side effects such as irritation to the skin.

[0004]

An object of the present invention is to provide a cosmetic having an excellent whitening effect and not irritating the skin.

[0005]

Means for Solving the Problems As a result of intensive studies to obtain an excellent whitening cosmetic composition, the present inventors have found that the sap of plants belonging to the genus Birch of the birch family, such as placenta extract, linoleic acid and vitamin A. The present inventors have completed the present invention, knowing that the addition of a specific component enhances the whitening effect and a cosmetic with less skin irritation can be obtained. The sap of plants belonging to the genus Birchaceae has been used as folk remedies in Europe, China, South Korea, Japan, etc. for a long time in constipation, tonsillitis, cough / throat pain, fever, rheumatism, burn inflammation, hypertension, diuresis, gout. It is used for the above, but its whitening effect is not known.

That is, the present invention relates to sap and a placenta extract of a plant belonging to the genus Birch of the family Birchaceae, linoleic acid and its salts or esters, linolenic acid and its salts or esters, touki extract, eicosapentaenoic acid and its salts or esters. , Hexadocosaenoic acid and its salt or ester, pantothenic acid and its salt or ester, vitamin A, vitamin B, vitamin E and its salt or ester, Photosensitizer No. 201, Photosensitizer 40
No. 1 and at least one component selected from kojic acid and a salt or ester thereof are provided to provide a whitening cosmetic composition.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The sap of a plant belonging to the genus Birch of the family Birchaceae used in the present invention is obtained from a plant belonging to the genus Birch of the family Birchaceae, such as birch, moss birch, Jaechava birch and Yachi bimba, and in particular birch (
Betula ptyphylla var. j
aponica) is preferred. These sap can be collected by making a small hole in the trunk,
Early spring is suitable at that time. This overflowing sap is 9
9.3% is water and the rest is solid content. It contains glucose, fructose as a sugar component, potassium, sodium, calcium, magnesium, manganese, iron, zinc and the like as a mineral component, and also contains other amino acids, organic acids, proteins and the like.

The amount of birch sap in the cosmetic of the present invention is 3 to 99% by weight, preferably 5 to 95% by weight, more preferably 5 to 90% by weight, based on the total amount of the cosmetic.
It is. If the content of birch sap is less than 3%, the skin pigmentation disappears or the effect of lightening is low, while if it exceeds 99%, the composition of preservatives, stabilizers and preservatives is restricted, and It is not preferable because the storage stability is lowered.

[0009] If the collected birch sap is left as it is, spoilage, propagation of bacteria and the like occur. Therefore, ethanol, paraoxybenzoic acid ester or a salt thereof, benzoic acid or a salt thereof, salicylic acid or a salt thereof, sorbic acid or a salt thereof, dehydroacetic acid or a salt thereof, isopropylmethylphenol, orthophenylphenol, cresol, is collected in white birch sap. It is desirable to appropriately add a preservative such as phenoxyethanol.

Ingredients to be blended with the birch sap in the cosmetic composition of the present invention include placenta extract, linoleic acid and salts or esters thereof, linolenic acid and salts or esters thereof, touki extract, eicosapentaenoic acid and salts or esters thereof, Hexadocosaenoic acid and its salts or esters, Pantothenic acid and its salts and esters, Vitamin A, Vitamin B, Vitamin E
And its derivatives, Photosensitizer No. 201, Photosensitizer No. 401, and kojic acid and its salts or esters. These may be blended alone or in combination.

Examples of the derivative of linoleic acid include salts such as potassium linoleate and sodium linoleate, and esters such as methyl linoleate, ethyl linoleate and isopropyl linoleate. Examples of linolenic acid include α-linolenic acid and γ-linolenic acid, and derivatives thereof include salts such as α-sodium linolenate and γ.
-Esters such as ethyl linolenate.

Examples of the derivative of pantothenic acid include salts of calcium pantothenate, sodium pantothenate and the like, pantothenyl ethyl ether, acetyl pantothenyl ethyl ether and the like. Vitamin A (retinol)
Examples of the derivatives include an ester such as retinol acetate and retinol palmitate, and dehydroretinol. Derivatives of vitamin E (dl-α-tocopherol) include esters such as dl-α-tocopherol acetate, dl-α-tocopherol linoleate, and dl-α-tocopherol linolenate. Examples of the kojic acid derivative include salts such as sodium kojic acid and esters such as ethyl kojic acid.

The blending amounts of these components are appropriately adjusted according to each component. Placenta extract, linoleic acid, linolenic acid, eicosapentaenoic acid, hexadocosaenoic acid and their derivatives are all 0.05 to 0.05% based on the total amount of the cosmetic.
50% by weight, preferably 0.1 to 10% by weight is blended.
Touki extract, kojic acid and its derivatives are added in an amount of 0.05 to 10% by weight, preferably 0.1 to 5% by weight. In addition, pantothenic acid and its derivatives are 0.
001 to 10% by weight, preferably 0.01 to 10% by weight
Mix. Vitamin A, vitamin B, and vitamin E are
The amount is 0.01 to 10% by weight, preferably 0.1 to 5% by weight. Photosensitive element 201 and photosensitive element 401 are 0.00
The amount is 01 to 0.5% by weight, preferably 0.001 to 0.1% by weight.

The whitening cosmetic composition of the present invention comprises creams, emulsions, lotions, packs, foundations, and
It is prepared as cosmetics such as essence. Further, the cosmetics of the present invention may be appropriately blended with known components within a range that does not impair the performance depending on the type.
That is, the cosmetic of the present invention, in addition to the above essential components, components usually used and blended in cosmetics, for example, oils, ultraviolet absorbers, antioxidants, surfactants, preservatives, fragrances,
Water, alcohol, a thickener, a dye, and the like can be appropriately added as needed.

[0015]

Next, the present invention will be described in more detail with reference to examples. Needless to say, the present invention is not limited to these examples. Unless otherwise specified, [%]
Represents weight%. The examples (and comparative examples) shown in Table 1 were prepared by a conventional method, and their pigmentation-inhibiting action was evaluated. The evaluation method will be described. <Test Method> The back of an English brown guinea pig was shaved and irradiated with ultraviolet rays (UVB intensity: 1 J / cm2). This operation was repeated for 3 days, during which the specimens (Test Examples 1 to 24) shown in Table 1 below were applied to the ultraviolet irradiation part.
After being left for 10 days, the degree of pigmentation was visually evaluated according to the following criteria. (Criteria) −: No pigmentation ±: Slight pigmentation +: Moderate pigmentation ++: Intense pigmentation

[0016]

[Table 1]

[0017]

[Table 2]

From the results shown in Tables 1 and 2, it was confirmed that the Examples were markedly lighter in pigmentation than the Comparative Examples. Example 12 (Cream) Component Blending amount (%) Sorbitan monostearate 2.0 Self-emulsifying glyceryl monostearate 3.0 Cetyl myristate 1.5 Isopropyl myristate 3.0 Cetanol 2.0 Stearic acid 2. 0 liquid paraffin 7.0 triethanolamine 0.4 methyl paraoxybenzoate 0.2 butyl paraoxybenzoate 0.1 1,3-butylene glycol 6.0 birch sap 50.0 ethanol 2.0 placenta extract 5.0 Toki Extract 1.0 Perfume 0.2 Purified water Balance 100.0

Example 13 (Emulsion) Component Blending amount (%) Self-emulsifying glyceryl monostearate 3.0 Stearic acid 1.5 Cetanol 1.0 Liquid paraffin 5.0 Isopropyl palmitate 2.0 Triethanolamine 0 .3 Polyoxyethylene monostearate sorbitan (20EO) 1.0 Ethyl paraoxybenzoate 0.3 Propylene glycol 5.0 Birch sap 70.0 Carboxyvinyl polymer 0.3 Linoleic acid 3.0 Photosensitizer No. 401 0.002 Perfume 0.15 Purified water Balance 100.0

Example 14 (Toilet lotion) Component Blending amount (%) Polyoxyethylene hydrogenated castor oil (40 EO) 0.7 Ethanol 12.0 Perfume 0.1 Photosensitizer No. 201 0.002 1,3 -Butylene glycol 5.0 Citric acid 0.2 Sodium citrate 0.3 dl-Pyrrolidonecarboxylate sodium 1.0 Birch sap 70.0 Placenta extract 5.0 Purified water balance 100.0

Example 15 (pack) Component Blending amount (%) Polyvinyl alcohol 15.0 Ethanol 14.0 Propylene glycol 4.0 Polyoxyethylene (20EO) cetyl ether 0.6 Perfume 0.15 White birch sap 50.0 Kojic acid 0.5 Titanium oxide 5.0 Talc 2.0 Ethyl linoleate 1.0 Purified water Residual total 100.0

Example 16 (Cosmetic Essence) Component Blending amount (%) Ethyl eicosapentaenoate 1.0 Glycerin 15.0 Ethanol 8.0 Polyoxyethylene hydrogenated castor oil (60EO) 0.9 Paraoxybenzoic acid Ethyl 0.1 White birch sap 65.0 Fragrance 0.1 Carboxyvinyl polymer 0.6 Triethanolamine 0.3 Purified water Balance 100.0

Example 17 (Powder) Component Content (%) Hexadocosaenoic acid 2.0 Dextrin 90.0 Talc 2.0 Decaglyceryl stearate 1.0 Birch birch sap 5.0 Total 100.0

Example 18 (pack) Component Blending amount (%) Calcium pantothenate 2.0 Shira birch sap 45.0 Vinyl acetate / styrene copolymer 10.0 Polyvinyl alcohol 10.0 Sorbit 5.0 Titanium oxide 6. 0 Kaolin 5.0 Ethanol 8.0 Fragrance 0.2 Methyl paraoxybenzoate 0.1 Purified water Balance 100.0

Example 19 (Emulsion) Component Content (%) Retinol acetate 0.02 Birch sap 70.0 Liquid paraffin 5.0 Vaseline 2.0 Beeswax 2.0 Sorbitan sesquioleate 2.0 Polyoxyethylene oleyl Ether (20 EO) 2.5 Ethyl paraoxybenzoate 0.3 Propylene glycol 5.0 Carboxyvinyl polymer 0.5 Potassium hydroxide 0.3 Perfume 0.1 Purified water balance 100.0 in total

Example 20 (Cream) Component Blending amount (%) Tocopherol linoleate 1.0 Salami beeswax 4.0 Cetanol 2.0 Stearic acid 2.0 Isopropyl myristate 5.0 Lanolin 2.0 Liquid paraffin 6. 0 Self-emulsifying type glyceryl monostearate 3.0 Polyoxyethylene sorbitan monostearate (20 EO) 2.0 Propyl paraoxybenzoate 0.1 Methyl paraoxybenzoate 0.3 Propylene glycol 5.0 Birch sap 50. 0 Perfume 0.2 Purified water Balance 100.0

Example 21 (Toilet lotion) Component Blending amount (%) Pyridoxine hydrochloride 0.1 Glycerin 4.0 Ethanol 10.0 Polyoxyethylene hydrogenated castor oil (40 EO) 0.5 Methyl paraoxybenzoate 0 .05 citric acid 0.05 sodium citrate 0.07 birch sap 50.0 dl-sodium pyrrolidonecarboxylate 1.0 purified water balance 100.0 The cosmetics of Examples 12 to 21 all have excellent whitening effects. Had.

[0028]

EFFECTS OF THE INVENTION Sap and placenta extract of plants belonging to the genus Birch of the family Birchaceae of the present invention, linoleic acid and its derivatives, linolenic acid and its derivatives, Japanese clover extract,
Eicosapentaenoic acid and its derivatives, Hexadocosaenoic acid and its derivatives, Pantothenic acid and its derivatives, Vitamin A, Vitamin B, Vitamin E and its derivatives, Photosensitive No. 201, Photosensitive No. 401 and Kojic acid and its derivatives, etc. It was recognized that the whitening cosmetic composition containing the above-mentioned compound has an excellent pigmentation suppressing effect.

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Claims (2)

[Claims] 1. A sap of a plant belonging to the genus Birch of the family Birchaceae, placenta extract, linoleic acid and its derivatives, linolenic acid and its derivatives, touki extract, eicosapentaenoic acid and its derivatives, hexadocosaenoic acid and its derivatives, Pantothenic acid and its derivatives, vitamin A, vitamin B, vitamin E and its derivatives,
A whitening cosmetic composition containing at least one selected from Photosensitivity No. 201, Photosensitivity No. 401, and kojic acid and its derivatives. 2. A plant belonging to the genus Birch is a birch (Betulaplatyphylla var.
The whitening cosmetic composition according to claim 1, which is Japonica).