Patents

Kao Patents Novel Hair Dye Method

Author Image

By: TOM BRANNA

Editor

US Patent No. 8,821,591 B2; Kao Corp., Tokyo, has patented  hair dying or bleaching method that uses an applicator. It is comprised of: composition A, which is comprised an alkali agent; composition B, which is comprised of an oxidizing agent; and composition C, which is comprised of a powdery oxidation assistant; and a hair cosmetic applicator. The applicator has a container in which a cosmetic material is produced by mixing three compositions. The tool also has application part by which the...

Continue reading this story and get 24/7 access to Happi for FREE


Already a subscriber? Sign in

Keep Up With Our Content. Subscribe To Happi Newsletters