The present invention is directed to the provision of a kit-of-parts, a dyeing composition, and a method for dyeing keratin fibres. The kit comprises separate compositions A and B and optionally separate composition C. Composition A comprises a direct dye and an alkalising agent. The aqueous composition B comprises guanidine and/or its salts together with one or more lipophilic compounds and/or one or more thickening polymers. Composition C comprises a persalt and/or persulfate salt. A method for dyeing keratin fibres comprises mixing compositions A and B, and optionally C, to yield a ready-to-use composition with pH in the range of 7 to 12. Composition B may be used for enhancing colour intensity and/or wash fastness of a direct dye on keratin fibres with the provision that it is mixed with composition A directly prior to application.

A composition for external preparation for skin includes (A) from 1 to 30 mass % of a polymer having a silicone structure in which a ratio of deformation 0.3 or more and 1 or less, and in a bend resistance test using a cylindrical mandrel method, the minimum diameter of a cylindrical mandrel which causes no cracks in the polymer film is 2 mm or more and 25 mm or less; (B) a volatile oil having a volatilization rate of 14% or more after drying at 1 atmosphere, 40° C., and R.H. of 60% for 30 minutes; and (C) a powder comprising from 0.1 to 30 mass % of at least an inorganic powder having a refractive index of from 1.3 to 1.8. The mass ratio of the component (A) to the component (C), (A)/(C), is from 1 to 50.

Preparation containing: (A) 30 to 90% by weight of at least one organic solvent; (B) 10 to 70% by weight of at least one platinum complex of the type [L1L2Pt[O(CO)R1]X].sub.n, wherein L1 and L2 represent the same or different monoolefin ligands, or together represent a compound L1L2 acting as a diolefin ligand, wherein X is selected from bromide, chloride, iodide, and —O(CO)R2, wherein —O(CO)R1 and —O(CO)R2 represent the same or different C6-C18 non-aromatic monocarboxylic acid groups, or together represent a C8-C18 non-aromatic dicarboxylic acid group —O(CO)R1 R2(CO)O—, wherein they are mononuclear platinum complexes with n=1, or wherein, if L1L2 and/or —O(CO)R1 R2(CO)O— are present, they may be polynuclear platinum complexes with a whole number n>1, and (C) 0 to 10% by weight of at least one additive.

The object of the present disclosure is a three-component kit for brightening keratinous fibers, in particular human hair, comprising a blonding powder for mild blonding of keratinous fibers with as natural ingredients as possible, containing at least one oxidizing agent, selected from the group of sodium salts and potassium salts of a peroxosulfuric acid, an oil mixture of at least one branched fatty alcohol having 8-24 carbon atoms, and at least one dialkyl ether having 6-18 carbon atoms in the alkyl group, in which no ammonium compounds, no paraffin oil, no mineral oil and no silicone compounds being present in the blonding powder.

A method of strengthening the skin barrier by application of a composition comprising at least one mRNA biomarker and/ or mRNA biomarker group enhancement compound in which the mRNA biomarker/mRNA biomarker group is involved in comified envelope formation.

Hair bleaching compositions, methods for using hair bleaching compositions, and methods for preparing hair bleaching compositions are provided herein. The hair bleaching compositions comprise at least one gallic acid derivative, at least one amino acid and/or at least one amino acid derivative, at least one oxidizing agent, and optionally, at least one hair care agent and/or hair treatment agent.

Hair bleaching compositions, methods for using hair bleaching compositions, and methods for preparing hair bleaching compositions are provided herein. The hair bleaching compositions comprise at least one gallic acid derivative, at least one amino acid and/or at least one amino acid derivative, at least one oxidizing agent, and optionally, at least one hair care agent and/or hair treatment agent.

A toothpaste composition for tooth whitening comprising first contents and second contents, wherein one of the first contents and second contents comprises a tooth whitening agent, and it is constructed such that the first contents and second contents are filled in a container having a diaphragm or separate containers and simultaneously used when brushing teeth is provided. The container is a dip tube container.

Provided herein are preservative compositions containing a preservative agent with an alkylene glycol ester. Also provided are method for increasing the efficacy of preservative agents and methods for reducing the minimum amount of preservative agent needed for effective preservation activity in end-use formulations.

There is provided the use of selenide derivatives of fragrance compounds comprising an α,β-unsaturated aldehyde moiety, an α,β-unsaturated ketone moiety, an α,β-unsaturated ester moiety, an α,β-unsaturated lactone moiety or an α,β-unsaturated carboxylic acid moiety in consumer products. There are further provided methods for the synthesis of selenide derivatives, certain selenide derivatives, consumer products comprising the selenide derivatives and methods of perfuming an article or surface using such derivatives.