Back to results
US 10,945,934 B2Granted
Method of strengthening hair fibers and protecting dyed hair color from fading or wash-out
AssigneeHercules Incorporated
InventorsEmmanuel Paul Jos Marie Everaert, Gijsbert Kroon, Xiaochun Zhang
Life of this patent
Estimating the term…
Abstract
Disclosed is a method of strengthening hair fibers using a hair composition comprising an amide and/or an alkyl ammonium carboxylate salt. The amide can be a monoamide and/or a bisamide. A method of protecting dyed hair color from fading or wash-out using the hair composition is also included.
Claims2
A method of strengthening hair fibers comprising applying to hair a hair composition comprising reaction product of glucono delta-lactone and ethylene diamine wherein the reaction product is represented by Formula (III)
- wherein R1′-R4′ are independently hydrogen
- R5′ and R6′ are independently hydrogen
- L is —CH2-CH2-.
Dependencies are inferred from the claim text.