Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue November 2015
 •  P&G Rewrites Holiday Classic for Febreze  •  A Giftless Holiday Season?  •  Colgate Honored by US Green Building Council  •  New CFO at Gordon Laboratories  •  Unilever Sets Ambitious Renewable Energy Goals

Hair Dye

Published December 8, 2008
Related Searches: patent men
Post a comment
U.S. Patent No. 7,429,275 B2
L’Oréal S.A. has patented a method of dying human keratin materials that involves application of at least one direct dye comprising at least one non-metallic or metallic cationic compound chosen from porphyrin compounds and phthalocyanin compounds, wherein the metal element is at least one metal or metal ion chosen from columns IA and IIA of the Periodic Table of the Elements, zinc, and silicon.

blog comments powered by Disqus