Multimineral no-mix relaxer
AssigneeL'oreal
InventorsAdu Gyamfi Darkwa, Eric Osei-Acquah, Angela D. Ellington
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Abstract
The present invention relates to a no-mix hair relaxer formulation and methods of its use. The relaxer includes a synergistic combination of sodium hydroxide and lithium hydroxide and has a pH of between about 12.7 and about 13.2. These no-mix hair relaxers provide excellent hair straightening performance, in 30 minutes or less, with reduced irritation.
Claims17
A no-mix hair relaxer formulation comprising:
- an effective amount of at least one first hydroxide which is LiOH and at least one second hydroxide selected from the group consisting of NaOH and KOH, and mixtures thereof, said hydroxides mixed with at least one cosmetically acceptable additive and said formulation having a pH of between about 12.7 and about 13.2.
A no-mix hair relaxer formulation comprising:
- LiOH in an amount of between about 0.74% and about 1.53% by weight, NaOH provided in an amount of between about 0.11% and about 1.23% by weight, said hydroxides mixed within at least one cosmetically acceptable additive, said formulation having a pH of between about 12.7 and about 13.2.
A method of straightening hair on the head of a subject comprising the steps of:
- providing a hair relaxer formulation including an effective amount of at least one first hydroxide which is LiOH and at least one second hydroxide selected from the group consisting of NaOH and KOH, and mixtures thereof, said hydroxides mixed with at least one cosmetically acceptable additive and said formulation having a pH of between about 12.7 and about 13.2;
- and applying said hair relaxer formulation to said subject's hair for a period not to exceed 30 minutes.
A method of straightening hair on the head of a subject comprising the steps of:
- providing a hair relaxer formulation including LiOH in an amount of between about 0.74% and about 1.53% by weight, NaOH provided in an amount of between about 0.11% and about 1.23% by weight, said hydroxides mixed within at least one cosmetically acceptable additive, said formulation having a pH of between about 12.7 and about 13.2;
- and applying said hair relaxer formulation to said subject's hair for a period not to exceed 30 minutes.
Dependencies are inferred from the claim text.