US 11,229,593 B2 · Hair cosmetic

Abstract

The present invention relates to a hair cosmetic containing the following components (A) to (E): (A) a compound represented by the following general formula (1) or a salt thereof: wherein a broken line represents the presence or absence of a π bond; R1 represents a hydroxy group or an acetoxy group; R2 represents a hydrogen atom or —COOR (R is a hydrogen atom, a methyl group, or an ethyl group); and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group; (B) an alkaline agent; (C) a buffering agent; (D) an anionic surfactant; and (E) a cationic polymer having a cation charge density of 0.01 meq/g or more and 4.8 meq/g or less, a mass ratio of the component (A) to the component (E) [(A)/(E)] being 0.05 or more and less than 2.

Claims15

Dependent claims

A hair cosmetic, comprising:

(A) from 0.05% by mass to 5% by mass of a compound represented by formula (1) or a salt thereof:
wherein a broken line represents the presence or absence of a π bond;
R1 represents a hydroxy group or an acetoxy group;
R2 represents a hydrogen atom or —COOR, where R is a hydrogen atom, a methyl group, or an ethyl group;
and R3 represents a hydrogen atom, an acetyl group, a methyl group, or an ethyl group;
(B) an alkaline agent;
(C) a buffering agent;
(D) from 3% by mass to 40% by mass of an anionic surfactant;
and
(E) from 0.05% by mass to 5% by mass of a cationic polymer having a cation charge density of from 0.01 meq/g to 4.8 meq/g,
wherein a mass ratio of the component (A) to the component (E) [(A)/(E)] is from 0.05 to less than 2.

8 more elements

Dependencies are inferred from the claim text.

Hair cosmetic

Life of this patent

Hair cosmetic

Life of this patent

Abstract

Claims15