The present invention relates to a composition comprising arginine, at least one silicate, at least one alkanolamine, and optionally aqueous ammonia and/or at least one compound which generates aqueous ammonia. The composition further comprises at least one thickening agent chosen from non-associative cellulose polymers, anionic associative polymers, non-ionic associative polymers, and their mixtures. The invention also relates to a method for the treatment of keratin fibres, in particular human keratin fibres, such as the hair, comprising the application of at least one composition according to the invention; and also to the use of the composition according to the invention for the treatment of said keratin fibres, and in particular for the oxidation dyeing and/or the bleaching of the latter.

The object of the present disclosure is a process for decolorizing keratinous material which has been colored by the application of at least one pigment, wherein a decolorizing agent which is (a) at least one salt of a monovalent or divalent cation, and (b) has a pH value of 1.0 to 4.7,
is applied to the dyed keratin material and rinsed off again after a contact time.

The object of the present disclosure is a process for decolorizing keratinous material which has been colored by the application of at least one pigment, wherein a decolorizing agent which is (a) at least one salt of a monovalent or divalent cation, and (b) has a pH value of 1.0 to 4.7,
is applied to the dyed keratin material and rinsed off again after a contact time.

Bleaching agents with improved resistance to oil separation and better miscibility with dye-containing formulations comprise—in relation to their weight—from about 0.015 to about 10 wt.-% ethylene octene copolymer(s), from about 5 to about 70 wt.-% oil component(s), from about 1 to about 70 wt.-% peroxydisulfate(s) chosen from the group of sodium peroxodisulfate and/or potassium peroxodisulfate and/or ammonium peroxodisulfate, and ≦1 wt.-% free water.

Bleaching agents with improved resistance to oil separation and better miscibility with dye-containing formulations comprise—in relation to their weight—from about 0.015 to about 10 wt.-% ethylene octene copolymer(s), from about 5 to about 70 wt.-% oil component(s), from about 1 to about 70 wt.-% peroxydisulfate(s) chosen from the group of sodium peroxodisulfate and/or potassium peroxodisulfate and/or ammonium peroxodisulfate, and ≦1 wt.-% free water.

The subject of the present invention is the use of a combination of cellulose 2-[2-hydroxy-3-(trimethylammonio)propoxy]ethyl ether chloride and at least one amino acid, selected from arginine, lysine, histidine or at least one of the salts of these amino acids, in a bleaching powder in order to reduce the damage to keratin fibres caused by an oxidative bleaching treatment.

The subject of the present invention is the use of a combination of cellulose 2-[2-hydroxy-3-(trimethylammonio)propoxy]ethyl ether chloride and at least one amino acid, selected from arginine, lysine, histidine or at least one of the salts of these amino acids, in a bleaching powder in order to reduce the damage to keratin fibres caused by an oxidative bleaching treatment.

A method for inhibiting hair growth in mammals using compositions containing FP receptor antagonists (e.g., prostaglandin F analogs that are block activation of the FP receptor). The compositions can be applied topically to the skin and/or hair. The compositions can arrest hirsutism or hypertrichosis, reverse hirsutism and hypertrichosis, and further prevent hair growth. These compositions can also be used to protect hair from chemical or radiation-induced alopecia or hair loss. These compositions can also be used to inhibit pigmentation of the hair or skin.

A method for inhibiting hair growth in mammals using compositions containing FP receptor antagonists (e.g., prostaglandin F analogs that are block activation of the FP receptor). The compositions can be applied topically to the skin and/or hair. The compositions can arrest hirsutism or hypertrichosis, reverse hirsutism and hypertrichosis, and further prevent hair growth. These compositions can also be used to protect hair from chemical or radiation-induced alopecia or hair loss. These compositions can also be used to inhibit pigmentation of the hair or skin.

The present invention relates to a pretreatment composition of a process for dyeing or bleaching keratin fibers, comprising at least 5% by weight of one or more particular amino acids and at least 5% by weight of one or more monoalcohols, and alsoto a dyeing or bleaching process using the pretreatment composition.