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US 11,369,554 B2Granted
Catalyzed dye system
AssigneeELC Management LLC
InventorsGeoffrey Hawkins, Daniel Thomas Nowlan, III
Life of this patent
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Abstract
The invention relates to a dye system comprising at least one dye precursor, an oxidizing agent, and a catalyst. The dye system operates, ideally, at a pH of at least about 9. The dye system may enable faster and less damaging hair color treatment techniques. The invention further relates to methods for making and using said dye system.
Claims10
A dye system for application to a substrate, said dye system comprising:
- (a) at least one dye precursor;
- (b) an oxidizing agent;
- and
- (c) a catalyst;
- wherein said dye system has a pH of at least about 10.04.
2 more elements
Dependencies are inferred from the claim text.