EP1584324A1 — Hair cosmetic composition comprising a dicarboxylic acid and an edetic acid
Assigned to Kao Corp · Expires 2005-10-12 · 21y expired
What this patent protects
Provided is a leave-on hair cosmetic composition, which contains the following components (A), (B) and (C): (A) an organic C2-8 dicarboxylic acid or salt thereof, (B) at least one or more of an organic solvent selected from the group consisting of aromatic alcohols, N-alkylpyrro…
USPTO Abstract
Provided is a leave-on hair cosmetic composition, which contains the following components (A), (B) and (C): (A) an organic C2-8 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) an edetic acid or a salt thereof, wherein the cosmetic composition has a pH of from 2 to 5 at 25 DEG 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 waving, or repetitive excessive blow drying.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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