Clairol Incorporated

Richard DeMarco

Raymond Feinland

Yuh-Guo Pan

Mu-Ill Lim

Janusz Z Jachowicz

Alexander C Chan

John A Ferguson

George Alperin

2-substituted-1-naphthols when coupled with an oxidation dye precursor in an oxidative dye system produce a long lasting intense color to hair. Use of such couplers makes available to the colorist novel oxidation hair dyes which surprisingly show a color shift to the red. Dyestuffs prepared through use of the 2-substituted-1-naphthol couplers are substantially more acid-fast compared to like dyestuffs using a 1-naphthol coupler. Compositions and a method of dyeing hair are also disclosed.

Hair dye compositions and methods utilizing 2-substituted-1-naphthol

The treatment of proteinaceous or other substrates to render them more manageable and more stable against chemical treatment involves the use of aqueous compositions containing cationic (meth)acrylic copolymers.

Treating proteinaceous substrates with cationic copolymer

An aqueous alkaline thickened low ammonia hair bleaching composition containing hydrogen peroxide, activator, water-soluble surfactant thickener and water-insoluble surfactant thickener; the ammonium ion concentration of said composition being in the range of from about 0.15% to about 0.55% based on the total weight of the composition and the ratio of water-soluble surfactant thickener to water-insoluble surfactant thickener being in the ratio of about 1.8 to about 7.0.

Low ammonia bleach compositions

A semi-permanent hair dye composition that simultaneously dyes and conditions hair to make it more manageable including a direct dyeing nitro dye capable of dyeing hair, certain quaternary amine compounds and certain N-oxyalkylated fatty acid amides.

Growing community of inventors

Danbury, CT, United States of America

Richard DeMarco