Welcome Guest to Happi

Subscribe Free: Magazine | eNewsletter

current issue April 2015
 •  Coty Names New CEO  •  Cosmetic Bill Introduced in US Senate  •  K-C Beats the Street  •  Tide Dry Cleaners Opens in Scottsdale  •  Nip+Fab Goes For 'Blood'
Print

Unilever Patents Gradual Hair Dyeing Process



Published November 15, 2005
Related Searches: media acid hair patent
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