Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue January 2015
 •  Bye, Bye Bonne Bell  •  The More 'Natural' The Better  •  Former Coty Exec Named CEO at Illuminage Beauty  •  Cargo Works Sundance  •  Energizer’s Q1 Sales Drop
Print

Unilever Patents Gradual Hair Dyeing Process



Published November 15, 2005
Related Searches: hair award unilever media
Post a comment
Patent No. US 6,736,860 B2: Unilever HPC, Chicago, IL, was awarded a patents for a method to permanently dyeing hair that comprises subjecting the hair to a number of treatments and rinses, with a set time interval between each two consecutive treatments. The treatment comprises a mixture of dye intermediates in water and fatty alcohol at alkaline pH and an oxidizing compound in water and fatty alcohol with an acidic pH.


blog comments powered by Disqus