Pigment dispersion liquid for cosmetics, and aqueous liquid cosmetic using same
AssigneeMitsubishi Pencil Company, Limited
InventorsKeiichiro Takachiyo, Satoshi Sakuma
Life of this patent
Estimating the term…
Abstract
Provided are a pigment dispersion liquid for cosmetics having excellent dispersibility for a pigment of Pigment Red 4 (C.I. 12085) and aging stability, and an aqueous liquid cosmetic using the same, which is suitable for hair dyes and the like. The pigment dispersion liquid for cosmetics contains, at least, water, a water-soluble organic solvent, a pigment of Pigment Red 4 (C.I. 12085), and a (methacryloyl ethylbetaine/acrylates) copolymer, and a ratio of the water to total solvents is 30 to 95% by mass.
Claims15
A pigment dispersion liquid for cosmetics, comprising at least water, a water-soluble organic solvent, a pigment of Pigment Red 4 (C.I. 12085), and a (methacryloyl ethylbetaine/acrylates) copolymer, wherein a ratio of the water to total solvents is 30 to 95% by mass.
Dependencies are inferred from the claim text.