| 摘要 |
Provided is a leave-on hair cosmetic composition, which contains the following components (A) and (B): (A) a citric acid or salt thereof; and (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 wherein the leave-on hair cosmetic composition has a pH of from 2 to 5 at 25° C. when diluted to 20 times the weight with water and has a buffering capacity of 0.001 gram equivalent/L or greater but less than 0.2 gram equivalent/L. Provided also is a hair quality improving method which comprises treating the hair with the hair cosmetic composition. The hair cosmetic composition of the present invention can provide benefits such as luster, manageability and good feel of the hair to hair which is apt to be dry and moistureless owing to damage by coloring, permanent weaving, or repetition of excessive blow drying.
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