Method for maintaining the color of dyed and/or highlighted keratin fibres
AssigneeHenkel AG & Co. KGaA
InventorsErik Schulze zur Wiesche, René Krohn
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Abstract
A method for the color retention of dyed keratin fibers is provided herein. The method includes i. applying a cosmetic composition to dyed keratin fibers as a pretreatment agent for keratin. The method further includes ii. subjecting the keratin fibers to a dyeing and/or brightening within a period of about 5 seconds to about 24 hours after to step i. The cosmetic composition has, based on its own weight, from about 0.01 to about 4.00% by weight of at least one alum and a pH value in the range of about 2.5 to about 5.
Claims18
A method for the color retention of dyed keratin fibers, the method comprising:
- i. applying a cosmetic composition to dyed keratin fibers as a pretreatment agent for keratin,
- and
- ii. subjecting the keratin fibers to a dyeing and/or brightening within a period of about 5 seconds to about 24 hours after to step i.,
- wherein the cosmetic composition has, based on its own weight, from about 0.01 to about 4.00% by weight of at least one alum and a pH value in the range of about 2.5 to about 5.
Cosmetic agent for the pretreatment of keratin fibers before a dyeing and/or brightening, wherein the cosmetic agent comprises, based on its weight:
- a) from about 0.01 to about 4.00% by weight of at least one alum;
- and
- b) from about 0.001 to about 5% by weight of at least one silicone;
- wherein the cosmetic agent has a pH in the range from about 2.5 to about 5.00.
Cosmetic agent according to claim 18, wherein at least one compound known under the INCI name Amodimethicone/Morpholinomethyl Silsesquioxane Copolymer is used as the silicone.
Dependencies are inferred from the claim text.