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US 10,945,931 B2Granted
Shaping keratin fibres using dialdehyde compounds
AssigneeThe Procter & Gamble Company
InventorsRandy Purnell Washington, Jamie Angel Reed, Yonas Gizaw
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Abstract
Described herein is a method for shaping keratin fibres including (i) providing a crosslinking composition comprising from about 1% to about 20% of a dialdehyde compound, optionally a photocatalyst, and a cosmetically acceptable carrier; (ii) applying the crosslinking composition to keratin fibres; and (iii) mechanically shaping the keratin fibres with an appliance at a temperature of about 50° C. to about 280° C.
Claims9
A method for straightening hair comprising:
- providing a crosslinking composition comprising a cosmetically acceptable carrier and from about 1% to about 20% of pentodialdose
- b) applying the crosslinking composition to hair for a period of at least two minutes;
- c) drying the hair;
- and then
- d) mechanically straightening the hair with a hair straightening appliance comprising metal or ceramic plates at a temperature of 50° 130° C. to 250° C.;
- wherein there is no rinsing between steps (b) and (c);
- and
- wherein the crosslinking composition further comprises a photocatalyst, wherein the photocatalyst is 8-hydroxyquinoline;
- and wherein from about 0.01 gram to about 5 grams of said crosslinking composition is applied per gram of hair.
6 more elements
Dependencies are inferred from the claim text.