| 摘要 |
Provided is a leave-on hair cosmetic composition, which contains the following components (A), (B) and (C): (A) an organic C<SUB>2-8 </SUB>dicarboxylic acid or salt thereof, (B) at least one or more of an organic solvent selected from the group consisting of aromatic alcohols, N-alkylpyrrolidones, alkylene carbonates, polypropylene glycols, lactones and cyclic ketones, wherein the organic solvent has a ClogP of from -2 to 3, and (C) at least one or more of a compound selected from the group consisting of benzophenones, para-aminobenzoic acids, para-methoxycinnamic acids, salicylic acids, rutin and 4-tert-butyl-4'-methoxybenzoylmethane; wherein the cosmetic composition has a pH of from 2 to 5 at 25° C. when diluted to 20 times the weight with water. The present invention also relates to a hair quality improving method which includes treating the hair with the hair cosmetic composition. The hair cosmetic composition of the present invention can provide benefits such as luster, manageability, pliability and elasticity to the hair which is apt to be dry, having lost water therefrom owing to damage by coloring, permanent weaving, or repetitive excessive blow drying.
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