CN107708659B - External preparation for facial skin containing amino acids - Google Patents

External preparation for facial skin containing amino acids Download PDF

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Publication number
CN107708659B
CN107708659B CN201680038189.0A CN201680038189A CN107708659B CN 107708659 B CN107708659 B CN 107708659B CN 201680038189 A CN201680038189 A CN 201680038189A CN 107708659 B CN107708659 B CN 107708659B
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amino acid
mass
external preparation
isoleucine
leucine
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CN107708659A (en
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杉本雅彦
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ANT Corp
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ANT Corp
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34Alcohols
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Emergency Medicine (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)

Abstract

Disclosed is an amino acid-containing external preparation for facial skin, which is blended with an amino acid compound that has low irritation and a high effect of improving facial wrinkles including the periphery of the eye. An external preparation for facial skin containing an amino acid, which comprises: (A) amino acids (A) are valine, leucine and isoleucine, and vanillyl alcohol butyl ether (B). The amino acid (A) preferably contains valine 0.1-2.0 mass%, leucine 0.1-4.0 mass%, and isoleucine 0.1-2.0 mass%, and preferably contains vanillyl alcohol butyl ether (B) 0.001-1.0 mass%.

Description

External preparation for facial skin containing amino acids
Technical Field
The present invention relates to an external preparation for facial skin containing an amino acid, and more particularly, to an external preparation for facial skin containing an amino acid, which is low in irritation and has a high effect of improving facial wrinkles including the periphery of the eye.
Background
Valine, leucine and isoleucine are one of essential amino acids called Branched Chain Amino Acids (BCAAs), and have been conventionally incorporated in foods for the purpose of anemia of motility and recovery from fatigue. Further, since it is a component constituting human epidermal protein, it is also blended in external preparations such as cosmetics and medicines.
For example, patent document 1 discloses a solid solution of 3 amino acids, valine, isoleucine and leucine, for food use; patent document 2 discloses an oral amino acid composition for improving skin conditions, which is characterized by containing 5 amino acids, i.e., L-arginine, L-glutamic acid, L-valine, L-isoleucine and L-leucine, in proportions of 10 to 40 parts by weight, 5 to 20 parts by weight, 8 to 30 parts by weight and 10 to 35 parts by weight, respectively.
In addition, as an application of an external preparation, patent document 3 discloses a collagen production promoter comprising an amino acid mixture consisting of glycine, alanine, valine, leucine, isoleucine, serine, threonine, aspartic acid, glutamic acid, methionine, lysine, hydroxylysine, arginine, histidine, phenylalanine, tyrosine, proline and hydroxyproline; patent document 4 discloses a moisturizing agent characterized by containing 1 or 2 or more active ingredients selected from (a) amino acids having a positive hydropathic Index (hydropathic Index) and (B) menthol, menthol derivatives, and camphorquinone.
On the other hand, vanillyl alcohol butyl ether is generally synthesized from components contained in vanilla beans, and thus has an excellent warm-feeling effect, and a conventional reduction-weight cosmetic or the like for use in the body has been used.
For example, patent document 5 discloses a cold feeling agent composition having an excellent effect of sustaining cold feeling, which contains at least 1 kind of carboxylic acid esters of menthol or the like represented by a specific formula; patent document 6 discloses a liquid oral composition containing: (A) isopropyl methyl phenol, (B) allantoin, (C) polyoxyethylene hydrogenated castor oil with an average addition mole number of ethylene oxide of 40 to 100 moles, (D) a combination of citric acid and an alkaline agent other than citrate or a combination of citrate and citric acid or an acid other than citric acid, wherein the amount of the component (C) is 0.10 to 1.0 mass%, the mass ratio of (C)/(B) is 5 to 30, the pH of the composition is 4.0 to 6.2, and the composition further contains (E) at least 1 selected from the group consisting of spilanthol, vanillyl butyl ether and capsaicin; patent document 7 discloses a toothpaste composition containing: (a) sodium chloride, (b) at least 1 selected from menthol, peppermint oil and peppermint oil, (c) monomenthyl succinate, (d) a surfactant, and the compounding amount of (c) monomenthyl succinate is 0.03 to 1% by mass, the composition further contains at least 1 selected from (e-1) and (e-2), (e-1) vanillyl butyl ether and/or spilanthol, (e-2) an essential oil or extract of a plant selected from black pepper, hot pepper, ginger; patent document 8 discloses a weight-reducing composition comprising a blood circulation-promoting agent selected from the group consisting of amebic extract, piper nigrum extract, gentian extract, mustard extract, capsicum extract, ginger extract, ginseng extract, ginkgo biloba extract, arnica extract, safflower extract, japanese gentian extract, melilot extract, cannabis extract, camphor and derivatives thereof, sabinol and derivatives thereof, tocopherol and derivatives thereof, nicotinic acid and derivatives thereof, gamma-oryzanol and derivatives thereof, vanillyl alcohol butyl ether, and sodium bicarbonate, and an amino acid selected from the group consisting of leucine, isoleucine, valine, tryptophan, lysine, methionine, phenylalanine, threonine, valine, leucine, isoleucine, and sodium bicarbonate, 1 or more than 2 of histidine and arginine.
Documents of the prior art
Patent document
Patent document 1: international publication No. 2010/050168 pamphlet
Patent document 2: japanese patent laid-open publication No. 2005-247738
Patent document 3: japanese patent laid-open No. 2007-51087
Patent document 4: japanese patent laid-open publication No. 2013-227286
Patent document 5: japanese patent laid-open publication No. 2015-38204
Patent document 6: japanese laid-open patent publication No. 2010-143889
Patent document 7: japanese patent laid-open publication No. 2010-37318
Patent document 8: japanese patent laid-open No. 2008-69134
Disclosure of Invention
Problems to be solved by the invention
However, the techniques described in patent documents 1 to 4 relate to amino acids such as valine, isoleucine and leucine, and the use of these amino acids in combination with vanillyl alcohol butyl ether has not been studied at all. The techniques described in patent documents 1 to 4 are not inventions that can provide an external preparation for facial skin containing an amino acid that is low in irritation and has a high effect of improving facial wrinkles including the periphery of the eye.
The technique described in patent document 5 focuses on the effect of vanillyl alcohol butyl ether on the temperature sensation, and is not an invention capable of improving the effect of improving facial wrinkles including the periphery of the eyes. Further, the techniques described in patent documents 6 and 7 relate to oral compositions and toothpaste compositions, and do not mention the effect of improving facial wrinkles including the periphery of the eyes by combining with amino acids. Further, although the technique described in patent document 8 describes a combination of an amino acid such as valine, isoleucine or leucine and vanillyl alcohol butyl ether, it is always the only composition for reducing weight, and it is described in the claims, but the examples and the like do not describe any specific effect, and do not mention the effect of improving facial wrinkles including the eye periphery.
Accordingly, an object of the present invention is to solve the above-described problems of the prior art and to provide an external preparation for facial skin containing an amino acid which is low in irritation and has a high effect of improving facial wrinkles including the periphery of the eyes.
Means for solving the problems
The present inventors have conducted extensive studies to solve the above problems and as a result, have found that the above object can be achieved by blending a specific amino acid and vanillyl alcohol butyl ether, and have completed the present invention.
That is, the external preparation for facial skin containing an amino acid of the present invention is characterized by containing: (A) amino acids (A) are valine, leucine and isoleucine, and vanillyl alcohol butyl ether (B).
The external preparation for facial skin containing an amino acid of the present invention is preferably: the amino acid (A) contains 0.1-2.0 mass% of valine, 0.1-4.0 mass% of leucine, and 0.1-2.0 mass% of isoleucine, and the amino acid (B) contains 0.001-1.0 mass% of vanillyl alcohol butyl ether.
Furthermore, the external facial skin preparation containing an amino acid of the present invention preferably contains (C) an imidazole peptide, and preferably contains (D) elastin.
The external preparation for facial skin containing an amino acid of the present invention is preferably for use around the eyes.
ADVANTAGEOUS EFFECTS OF INVENTION
According to the present invention, there can be provided an external preparation for facial skin containing an amino acid, which is low in irritation and has a high effect of improving facial wrinkles including the periphery of the eye.
Detailed Description
The external preparation for facial skin containing amino acids according to 1 example of the present invention will be specifically described below.
The external preparation for facial skin containing an amino acid according to the present example is characterized by containing (a) an amino acid and (B) vanillyl alcohol butyl ether, wherein the amino acid (a) is valine, leucine, and isoleucine. Thus, the external preparation for facial skin containing an amino acid can be provided which has low irritation and a high effect of improving facial wrinkles including the periphery of the eye. In the present example, "containing" means that the components are contained in the formulation, and is not dependent on the addition method or step.
In the present example, valine, leucine and isoleucine are not particularly limited as long as they are usable in general external preparations and the like, and examples thereof include: L-Valine (trade name), L-Leucine (trade name), L-Isoleucine (trade name), and the like, manufactured by Ltd.
In the present embodiment, the (B) vanillyl alcohol butyl ether is not particularly limited as long as it is a vanillyl alcohol butyl ether that can be used for a general external preparation or the like, and examples thereof include: "Vanillyl butyl ether" manufactured by high sand spices industries Co.
In the present embodiment, the amino acid (a) preferably contains valine 0.1 to 2.0 mass%, leucine 0.1 to 4.0 mass%, and isoleucine 0.1 to 2.0 mass%, and preferably contains vanillyl alcohol butyl ether 0.001 to 1.0 mass%; preferably, the compound contains valine 0.5-1.0 mass%, leucine 0.5-2.0 mass%, and isoleucine 0.5-1.0 mass%, and contains vanillyl alcohol butyl ether 0.01-0.7 mass%. Further, it is particularly preferable that the composition contains (B) vanillyl alcohol butyl ether in an amount of 0.1 to 0.5 mass%. By setting the content to the above range, it is possible to provide an external preparation for facial skin containing an amino acid, which is less irritant and has a higher effect of improving facial wrinkles including the periphery of the eyes. In addition, when the amount of the (B) vanillyl alcohol butyl ether to be blended is increased, the amount may cause irritation, but the occurrence of irritation can be suppressed by combining the (B) vanillyl alcohol butyl ether with an amino acid in the above range.
In addition, the external preparation for facial skin containing amino acids of the present example preferably contains valine, leucine, and isoleucine at a content ratio of 1: 2: 1; particularly preferably, valine is contained in an amount of 0.5% by mass, leucine is contained in an amount of 1.0% by mass, and isoleucine is contained in an amount of 0.5% by mass. By setting the leucine to a blending ratio of about 2 times that of valine and isoleucine, the anti-fatigue effect of muscles and the like by applying an external preparation for facial skin containing an amino acid can be further improved, and the wrinkle-improving effect can be improved.
Furthermore, the external preparation for facial skin containing an amino acid according to the present example preferably contains (C) an imidazole peptide. (C) Imidazole peptide is a substance rich in the muscle of birds such as bonito, tuna, and migratory birds. The imidazole peptide (C) is not particularly limited as long as it can be used in a general external preparation or the like, and examples thereof include: carnosine, anserine, and snake carnosine, and may contain 1 or more than 2 of them. Specifically, there may be mentioned: and Amelox (trade name) manufactured by holstein GmbH & co.kg, Symrise co., DRAGOSINE (trade name) manufactured by ltd, and monomeric carnosine, anserine, and sercarnosine. By containing (C) an imidazole peptide, the wrinkle-improving effect can be further improved.
The amount of the imidazole peptide (C) to be blended is preferably 0.01 to 5% by mass, more preferably 0.1 to 3% by mass, and still more preferably 1 to 2% by mass. This can further improve the wrinkle-improving effect.
The external preparation for facial skin containing an amino acid according to the present embodiment preferably contains (D) Elastin, (D) Elastin is a protein with elastic fiber property, and the above-mentioned (D) Elastin is not particularly limited as long as it is an Elastin that can be used in general external preparations and the like, and for example, Elastin derived from animals such as cattle, tuna, and salmon, and powdery Elastin derived from animals and fish, such as Hydrolysis Elastin (trade name), Hydrolysis α -Elastin (trade name), and elasean (trade name), manufactured by gakko corporation, can be used.
The amount of elastin (D) is preferably 0.001 to 5% by mass, more preferably 0.1 to 2% by mass. This can further improve the wrinkle-improving effect.
The external preparation for facial skin containing an amino acid according to the present embodiment preferably contains an acrylamide-based water-soluble thickener. The acrylamide-based water-soluble thickener is not particularly limited as long as it can be used for a general external preparation or the like, and examples thereof include: (hydroxyethyl acrylate/sodium acryloyldimethyltaurate) copolymer, (sodium acrylate/sodium acryloyldimethyltaurate) copolymer, (ammonium acryloyldimethyltaurate/VP) copolymer, (ammonium acryloyldimethyltaurate/behenyl methacrylate polyether-25) crosslinked polymer, etc., among which (hydroxyethyl acrylate/sodium acryloyldimethyltaurate) copolymer, (sodium acrylate/sodium acryloyldimethyltaurate) copolymer is particularly preferable, and 1 or 2 or more selected from acrylamide-based water-soluble thickeners can be used. Further, as the acrylamide-based water-soluble thickener, specifically, as the (hydroxyethyl acrylate/sodium acryloyldimethyltaurate) copolymer, SEPIPLUS S (trade name), SEPINOV EMT10 (trade name), SIMULGEL NS (trade name) manufactured by SEPPIC corporation can be cited, as the (sodium acrylate/sodium acryloyldimethyltaurate) copolymer, SIMULGEL EG (trade name) manufactured by SEPPIC corporation can be cited, as the (ammonium acryloyldimethyltaurate/VP) copolymer, aristoflex vc (trade name) manufactured by Clariant corporation can be cited, as the (ammonium acryloyldimethyltaurate methacrylate beheneth-25) crosslinked polymer, there can be cited: aristoflex HMB (trade name) manufactured by Clariant corporation, and the like. By adding the acrylamide-based water-soluble thickener, the stability of the dissolution of valine, leucine, and isoleucine in the external facial skin preparation containing the amino acid can be improved, and the wrinkle-improving effect, the anti-fatigue effect, and the like, which are brought about by applying the external facial skin preparation containing the amino acid, can be further improved.
Furthermore, the external preparation for facial skin containing an amino acid according to the present example is preferably prepared by mixing and dissolving at least 1 selected from the group consisting of PEG-20 methylglucamine sesquistearate and PEG-20 methylglucamine dioleate. The PEG-20-methylglucamine sesquistearate and PEG-20-methylglucamine dioleate are not particularly limited as long as they can be used for general external preparations and the like, and examples thereof include: glucimate SSE-20 (trade name), glucimate DOE-120 (trade name), manufactured by Japan Lubrizol Corporation, and the like. This makes it possible to improve the solubility stability of valine, leucine, and isoleucine in the external facial skin preparation containing the amino acid, and to further improve the wrinkle-improving effect, the anti-fatigue effect, and the like, which are brought about by applying the external facial skin preparation containing the amino acid.
The external preparation for facial skin containing an amino acid of the present example is a substance having low irritation and a high wrinkle-improving effect, and therefore is suitable for use as an external preparation for facial skin (face), is particularly preferable for the eye area where wrinkles are conspicuously generated, and can be used for eye creams, cosmetic solutions for the eye area, and the like. Further, the skin external preparation is a substance that can be applied to the human body and the like, and can be used for cosmetics, quasi drugs, and the like. Therefore, the cosmetic and the like include basic cosmetics such as a pack and makeup cosmetics.
In the present embodiment, other components and the like may be added as appropriate within a range in which the above-described effects are not impaired. Examples of the optionally blended components other than the above include those usually blended in skin external preparations and the like, for example: oily component, humectant, antioxidant, antiseptic, perfume, various vitamins, chelating agent, colorant, ultraviolet absorbent, medicinal component, inorganic salt, etc.
The following will explain in further detail by using examples 1 to 10, but the present invention is not limited to these examples. The numerical values in the formulation represent mass%.
Examples
(example 1, comparative examples 1 and 2)
The skin external preparations of example 1 and comparative example 1 were prepared according to the formulations shown in table 1 below. The obtained external skin preparations of example 1, comparative example 1 and comparative example 2 were subjected to the wrinkle improvement test described below, and are shown in table 1. In addition, the following skin irritation test was performed. The numerical values in the formulation represent mass%. In table 1, color 1 is sepippulus S (trade name) manufactured by SEPPIC corporation.
[ Table 1]
Figure BDA0001529318370000081
(wrinkle improvement test)
The test was carried out according to "evaluation criteria for anti-wrinkle article for obtaining novel efficacy (japanese society for cosmetics (vol.30, No.4, p.316-332, 2006)", 20 adult women with wrinkle grades of 1 to 3 were taken as subjects, the skin external preparations of examples and comparative examples were applied to the skin of one side of the canthus of the face continuously for one month every day, and then the improvement effect of wrinkles was investigated.
(evaluation criteria)
◎ (good), the number of people who confirmed the improvement was 15 or more
○ (slightly better), the number of people who have been confirmed to be improved is more than 10 to less than 15
△ (slightly worse), the number of people who were confirmed to have improved is 5 or more to less than 10
× poor results the number of people who confirmed improvement was less than 5
(skin irritation test)
For 20 women aged 20 to 30 years, the external preparations for skin of examples and comparative examples were applied to the skin of the canthus on one side of the face every day for one month continuously, and then the skin irritation was investigated. The following 5 grades of the presence or absence of the stimulation were evaluated in comparison with the uncoated portion, and based on the average score, the judgment was made based on the following criteria.
(5 rating)
And 5, dividing: very good (no irritation)
And 4, dividing: slightly better
And 3, dividing: can be used for
And 2, dividing: general purpose
1 minute: poor (with stimulation)
(evaluation criteria 2)
Average score greater than 4 points ◎ (good)
Average score greater than 3 and less than 4 points ○ (slightly better)
An average score of △ (slightly worse) of more than 2 and 3 points or less
Average score below 2 points × (poor)
As is clear from the results in table 1, the skin external preparation of example 1 was effective in improving wrinkles in 18 adult women. On the other hand, the external skin preparations of comparative examples 1 and 2 exhibited an improvement effect only in 2 adult women, and the wrinkle-improving effect was poor. The skin external preparation of example 1 was low in irritation, with an average skin irritation evaluation score of 4.8. On the other hand, the skin external preparation of comparative example 1 was evaluated for skin irritation at an average score of 4.9, and low irritation, but comparative example 2 was evaluated for skin irritation at an average score of 3.5, which was greater than that of example 1.
(example 2)
The face mask of example 2 was prepared according to the formulation shown in table 2 below. The obtained mask agent of example 2 was subjected to the wrinkle improvement test and the skin irritation test. The numerical values in the formulation represent mass%. In table 2, color 2 is Tornare (trade name) manufactured by forest products.
[ Table 2]
Name of composition Compounding amount (% by mass)
Purified water 81.70
Glycerol 5.00
Pentanediol 2.00
Carbomer 0.50
Arginine 0.70
Phenoxyethanol 0.50
Tornare※2 5.00
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 0.50
L-leucine 1.00
L-isoleucine 0.50
Vanillyl alcohol butyl ether 0.10
Total of 100.00
The facial mask of example 2 was improved in 19 adult women, and the wrinkle-improving effect was excellent. The average score of the evaluation of skin irritation of the mask of example 2 was 4.9 points, which was low irritation.
(example 3)
The skin preparation for external use of example 3 was prepared according to the formulation shown in table 3 below. The obtained external skin preparation of example 3 was subjected to the wrinkle improvement test described above. In table 3, reference numeral 1 denotes sepippulus S (trade name) manufactured by SEPPIC corporation.
[ Table 3]
Figure BDA0001529318370000111
The skin external preparation of example 3 was effective in improving wrinkles in 19 adult women.
(example 4)
The face mask of example 4 was prepared according to the formulation of table 4 below. The obtained facial mask of example 4 was subjected to the wrinkle improvement test described above. In table 4, color 2 is Tornare (trade name) manufactured by lins inc.
[ Table 4]
Name of composition Compounding amount (% by mass)
Purified water 79.80
Glycerol 5.00
Pentanediol 2.00
Carbomer 0.50
Arginine 0.70
Phenoxyethanol 0.50
Tornare※2 5.00
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 0.50
L-leucine 1.00
L-isoleucine 0.50
N-acetylglucosamine 1.00
Vanillyl alcohol butyl ether 1.00
Total of 100.00
The facial mask of example 4 was improved in 19 adult women, and the wrinkle-improving effect was excellent.
(example 5)
The lotions of example 5 were prepared according to the formulation of table 5 below. The obtained astringent of example 5 was subjected to the wrinkle improvement test and the skin irritation test described above.
[ Table 5]
Name of composition Compounding amount (% by mass)
Purified water 71.29
1, 3-butanediol 6.00
Glycerol 4.00
Oleyl alcohol 0.10
POE (20) sorbitan monostearate 0.50
POE (15) lauryl Ether 0.50
Ethanol 10.00
P-hydroxybenzoic acid methyl ester 0.30
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 1.20
L-leucine 2.40
L-isoleucine 1.20
Vanillyl alcohol butyl ether 0.01
Total of 100.00
The astringent of example 5 was improved in 17 adult women, and the wrinkle-improving effect was excellent. The skin irritation evaluation of the cosmetic liquid of example 5 was 4.95 points on average, and the skin irritation was low.
(example 6)
The lotions of example 6 were prepared according to the formulation of table 6 below. The obtained astringent of example 6 was subjected to the wrinkle improvement test described above.
[ Table 6]
Name of composition Compounding amount (% by mass)
Purified water 64.20
1, 3-butanediol 6.00
Glycerol 5.00
PEG 4000 3.00
Olive oil 0.50
POE (20) sorbitan monostearate 1.50
POE (5) oleyl alcohol ether 0.30
Ethanol 10.00
P-hydroxybenzoic acid methyl ester 0.30
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 1.00
L-leucine 2.00
L-isoleucine 1.00
N-acetylglucosamine 2.00
Vanillyl alcohol butyl ether 0.70
Total of 100.00
The astringent of example 6 was improved in 17 adult women, and the wrinkle-improving effect was excellent.
(example 7)
The cream of example 7 was made according to the formulation of table 7 below. The obtained cream of example 7 was subjected to the wrinkle improvement test and the skin irritation test described above.
[ Table 7]
Name of composition Compounding amount (% by mass)
Purified water 48.80
1, 3-butanediol 6.00
PEG1500 4.00
Stearyl alcohol 6.00
Stearic acid 2.00
Hydrogenated lanolin 4.00
Squalane 9.00
Octyl dodecanol 10.00
POE (25) cetyl Ether 3.00
Glyceryl monostearate 2.00
P-hydroxybenzoic acid methyl ester 0.30
Phenoxyethanol 0.30
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 0.50
L-leucine 1.00
L-isoleucine 0.50
Vanillyl alcohol butyl ether 0.10
Total of 100.00
The cream of example 7 was improved in 18 adult women, and the wrinkle-improving effect was good. The average score of the evaluation of skin irritation of the cream of example 7 was 4.7 points, which is low irritation.
(example 8)
The cream of example 8 was made according to the formulation of table 8 below. The obtained cream of example 8 was subjected to the wrinkle improvement test and the skin irritation test described above.
[ Table 8]
Name of composition Compounding amount (% by mass)
Purified water 65.49
1, 3-butanediol 5.00
Stearyl alcohol 4.00
Stearic acid 8.00
Stearic acid butyl ester 6.00
Glyceryl monostearate 2.00
Potassium hydroxide 0.40
P-hydroxybenzoic acid methyl ester 0.30
Phenoxyethanol 0.30
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 1.00
L-leucine 2.00
L-isoleucine 1.00
N-acetylglucosamine 2.00
Vanillyl alcohol butyl ether 0.01
Total of 100.00
The cream of example 8 was improved in 19 adult women, and the wrinkle-improving effect was good. The average score of the evaluation of skin irritation of the cream of example 8 was 4.9 points, which is low irritation.
(example 9)
The cosmetic liquid of example 9 was prepared according to the formulation of table 9 below. The obtained cosmetic liquid of example 9 was subjected to the wrinkle improvement test and the skin irritation test described above.
[ Table 9]
Name of composition Compounding amount (% by mass)
Purified water 64.90
1, 3-butanediol 5.00
Sorbitol 8.00
PEG1500 7.00
Olive oil 0.20
POE oleyl alcohol ether 1.00
Ethanol 7.00
P-hydroxybenzoic acid methyl ester 0.30
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 1.00
L-leucine 2.00
L-isoleucine 1.00
Vanillyl alcohol butyl ether 0.10
Total of 100.00
The skin-care liquid of example 9 was effective in improving wrinkles in 17 adult women. The skin irritation evaluation of the cosmetic liquid of example 9 was 4.7 points on average, and the skin irritation was low.
(example 10)
The cosmetic liquid of example 10 was prepared according to the formulation of table 10 below. The obtained cosmetic liquid of example 10 was subjected to the wrinkle improvement test described above.
[ Table 10]
Name of composition Compounding amount (% by mass)
Purified water 64.70
1, 3-butanediol 6.00
Stearic acid 3.00
Cetyl alcohol 1.00
Hydrogenated lanolin 3.00
Squalane 5.00
Stearic acid-2-ethylhexyl ester 3.00
POE cetyl alcohol ether 2.00
Glyceryl monostearate 2.00
Triethanolamine 1.00
P-hydroxybenzoic acid methyl ester 0.30
Elastin (powder) 0.50
Anserine 1.00
Carnosine 1.00
L-valine 1.00
L-leucine 2.00
L-isoleucine 1.00
N-acetylglucosamine 2.00
Vanillyl alcohol butyl ether 0.50
Total of 100.00
The cosmetic liquid of example 10 was effective in improving wrinkles in 18 adult women.

Claims (3)

1. An external preparation for facial skin containing an amino acid, which is characterized by comprising: (A) amino acid and (B) vanillyl alcohol butyl ether,
the amino acid (A) is valine, leucine and isoleucine,
the amino acid (A) contains 0.1-2.0 mass% of valine, 0.1-4.0 mass% of leucine, and 0.1-2.0 mass% of isoleucine, and the amino acid (B) contains 0.001-1.0 mass% of vanillyl alcohol butyl ether.
2. The external preparation for facial skin containing an amino acid according to claim 1, further comprising either or both of (C) an imidazole peptide and (D) elastin.
3. The external preparation for skin on face containing an amino acid according to claim 1 or 2, which is an external preparation for skin around the eyes.
CN201680038189.0A 2015-12-14 2016-12-08 External preparation for facial skin containing amino acids Expired - Fee Related CN107708659B (en)

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WO2022025109A1 (en) * 2020-07-29 2022-02-03 味の素株式会社 Wrinkle-improving composition

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