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US 8,999,301 B2Granted
Bleaching methods and compositions
AssigneePerachem Limited
InventorsCéline Gauché´, Jamie Anthony Hawkes, David Malcolm Lewis
Life of this patent
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Abstract
A method of treating a material, the method comprising applying to the material a composition comprising at least 10 wt % of ammonium carbonate, ammonium carbamate or a mixture thereof; and a source of hydrogen peroxide.
Claims5
A method of bleaching human hair, the method comprising applying to the human hair a composition comprising from 14 to 27 wt % of ammonium carbonate, ammonium carbamate or a mixture thereof;
- and a source of hydrogen peroxide.
A method of bleaching human hair, the method comprising the steps of:
- (a) applying to the human hair a pre-treatment composition comprising a thiol or a salt thereof;
- and
- (b) applying to the human hair a bleaching composition comprising from 14 to 27 wt % of ammonium carbonate, ammonium carbamate or a mixture thereof;
- and a source of hydrogen peroxide.
1 more element
Dependencies are inferred from the claim text.