External skin-care composition

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Radical -xh acid – or anhydride – acid halide or salt thereof...

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514844, 514847, 514873, A61K 3119

Patent

active

057836019

ABSTRACT:
Disclosed herein is an external skin-care composition comprising hydroxycarboxylic acids or derivatives thereof represented by the general formulae (1), (2), and (3), or the salts thereof: ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 are each independently a hydroxyl group, an amino group or an alkoxyl group which may be substituted by 1-3 hydroxyl groups, l is a number of 7-11, m is a number of 6-10, and n is a number of 5-9. This composition exhibits an excellent moisturizing effect, moisturizes the skin, has a great effect in preventing skin roughness and shows excellent effects in enhancing the clear skin tone of the skin and reducing skin dullness, and is hence particularly useful for cosmetic skin-care compositions.

REFERENCES:
patent: 5389677 (1995-02-01), Yu et al.
Chemical Abstracts, vol. 125, AN-204139, JP-A-08 183 724, Jul. 16, 1996.

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