A multi-component packaging unit (kit-of-parts) for the reductive decolorization of dyed keratinic fibers, which unit includes, packaged separately from one another, a container (A) containing a solid or powdered cosmetic agent (a) and a container (B) containing an aqueous cosmetic agent (b), wherein the agent (a) in container (A) (a1) includes one or more sulfinic acid derivatives from a specific group and the agents (a) and (b) are substantially free from metal salts.

Also, a method for the reductive decolorization of dyed keratinic fibers with use of the multi-component packaging unit.

A multi-component packaging unit (kit-of-parts) for the reductive decolorization of dyed keratinic fibers, which unit includes, packaged separately from one another, a container (A) containing a solid or powdered cosmetic agent (a) and a container (B) containing an aqueous cosmetic agent (b), wherein the agent (a) in container (A) (a1) includes one or more sulfinic acid derivatives from a specific group and the agents (a) and (b) are substantially free from metal salts.

Also, a method for the reductive decolorization of dyed keratinic fibers with use of the multi-component packaging unit.

The present disclosure relates to cosmetic compositions for the oxidative treatment of keratinous fibers, in particular human hair, comprising at least one salt of a peroxo compound, at least one alkalizing agent and at least one complexing agent. Furthermore, it is an object of the present disclosure to provide a multi-component unit for the oxidative lightening of keratinous fibers, in particular human hair, comprising as first component the cosmetic agent as contemplated herein and as second component an agent comprising H.sub.2O.sub.2. In addition, the present disclosure relates to the use of a salt of a polyhydroxylated monocarboxylic acid in a cosmetic composition.

The present disclosure relates to cosmetic compositions for the oxidative treatment of keratinous fibers, in particular human hair, comprising at least one salt of a peroxo compound, at least one alkalizing agent and at least one complexing agent. Furthermore, it is an object of the present disclosure to provide a multi-component unit for the oxidative lightening of keratinous fibers, in particular human hair, comprising as first component the cosmetic agent as contemplated herein and as second component an agent comprising H.sub.2O.sub.2. In addition, the present disclosure relates to the use of a salt of a polyhydroxylated monocarboxylic acid in a cosmetic composition.

Peptides are provided herein, wherein the peptide bearing one or more amino acid sequence differences relative to SEQ ID NO: 1, with the amino acid sequence differences comprising at least one cysteine replacement.

A multi-component packaging unit (kit of parts) for lightening keratinous fibres, in particular human hair, which includes, formulated separately from one another, a first container containing a cosmetic agent (A), and a second container containing a cosmetic agent (B), wherein the agent (A) in the first container contains (a) at least one peroxy compound, for example hydrogen peroxide, and the agent (B) in the second container contains (b) at least one acid with formula (I): ##STR00001## Also, a method for lightening hair, in which the multi-component packaging unit as contemplated herein is used.

A multi-component packaging unit (kit of parts) for lightening keratinous fibres, in particular human hair, which includes, formulated separately from one another, a first container containing a cosmetic agent (A), and a second container containing a cosmetic agent (B), wherein the agent (A) in the first container contains (a) at least one peroxy compound, for example hydrogen peroxide, and the agent (B) in the second container contains (b) at least one acid with formula (I): ##STR00001## Also, a method for lightening hair, in which the multi-component packaging unit as contemplated herein is used.

The disclosure relates to compositions for treating keratinous substrates, such as the hair, comprising monoethanolamine and at least one carboxylic acid, as well as systems and methods for treating keratinous substrates with the compositions.

The disclosure relates to compositions for treating keratinous substrates, such as the hair, comprising monoethanolamine and at least one carboxylic acid, as well as systems and methods for treating keratinous substrates with the compositions.

The disclosure relates to compositions and methods for removing direct dyes from hair, the methods comprising contacting hair with a composition comprising (i) at least one organic salt selected from imidazolium-based compounds and/or ammonium-based compounds, and (ii) at least one surfactant. The compositions can further contain at least one co-surfactant and/or cyclic compound.