COSMETIC

PROBLEM TO BE SOLVED: To obtain a cosmetic composition which is improved in the adhesion and spreadability of the powder used in the cosmetics by using a specific basic amino acid derivative and a cosmetic powder. SOLUTION: This cosmetic contains (A) 0.01-10 wt.% of one or more kinds of basic amino...

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Bibliographic Details
Main Authors TABOHASHI KEN, OGAWA MASUMI
Format Patent
LanguageEnglish
Published 20.04.1999
Edition6
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Summary:PROBLEM TO BE SOLVED: To obtain a cosmetic composition which is improved in the adhesion and spreadability of the powder used in the cosmetics by using a specific basic amino acid derivative and a cosmetic powder. SOLUTION: This cosmetic contains (A) 0.01-10 wt.% of one or more kinds of basic amino acid derivative represented by formula I [R is a 8-22C alkyl or alkenyl; j is 0 or 1; X is H or a substituent of formula II (R is same as R ; n is 0 or 1); k is 0-5 and, when k is 0, Y is a substituent represented by the formula: -(CH2 )m -Z (m is 1-5; Z is -NH2 or the like); when k is 1, Y is an amino group] and salts thereof, and (B) 0.01-99.9 wt.% of a cosmetic powder, at least one selected from nylon powder, polyethylene powder, poly(methyl methacrylate) powder and the like. The compound of formula I is prepared by reaction of a basic amino acid with a glycidyl ether or an epoxy alkane.
Bibliography:Application Number: JP19980025912