Method
AssigneePerachem Limited
InventorsJamie Anthony Hawkes, David Malcolm Lewis, John Mama
Life of this patent
Estimating the term…
Abstract
A method of removing colour from hair that has been oxidatively dyed, the method comprising the steps of: (a) contacting the hair with a composition comprising a sulfur-containing nucleophile or a precursor thereof; (b) contacting the hair with an acidic composition; and (c) contacting the hair with an oxidising composition; wherein there is no rinsing step between step (a) and step (b).
Claims12
A method of removing colour from hair that has been oxidatively dyed, the method comprising the steps of:
- (a) contacting the hair with a composition comprising a sulfur-containing nucleophile or a precursor thereof;
- (b) contacting the hair with an acidic composition;
- and
- (c) contacting the hair with an oxidising composition;
- wherein there is no rinsing step between step (a) and step (b).
A kit for removal of colour from hair that has been oxidatively dyed, the kit comprising:
- (i) a first composition comprising a sulfur-containing nucleophile or a precursor thereof;
- (ii) a second acidic composition;
- and
- (iii) a third oxidising composition.
A kit for removal of colour from hair that has been oxidatively dyed, the kit comprising:
- (i) two or more precursor compositions which on admixture form a first composition comprising a sulfur-containing nucleophile or precursor thereof;
- (ii) a second acidic composition;
- and
- (iii) a third oxidising composition.
Dependencies are inferred from the claim text.