The present invention relates to the field of delivery systems. More specifically, the invention concerns microcapsules coated with a polysuccinimide derivative and can be used in several industries, in particular in the perfumery industry. Perfuming compositions and perfumed consumer products comprising these microcapsules are also objects of the invention.

The present invention relates to the field of delivery systems. More specifically, the invention concerns microcapsules coated with a polysuccinimide derivative and can be used in several industries, in particular in the perfumery industry. Perfuming compositions and perfumed consumer products comprising these microcapsules are also objects of the invention.

The present invention relates to a cosmetic applicator for applying a non-liquid composition (P) to human keratin materials, the applicator: —comprising a stem (7) that extends along a longitudinal axis (X), —defining an internal space (9) that is able to contain the composition (P) to be applied, and —having at least one opening (18) that is in communication with the internal space (9) and leads onto an application surface (8).

The present invention relates to a cosmetic applicator for applying a non-liquid composition (P) to human keratin materials, the applicator: —comprising a stem (7) that extends along a longitudinal axis (X), —defining an internal space (9) that is able to contain the composition (P) to be applied, and —having at least one opening (18) that is in communication with the internal space (9) and leads onto an application surface (8).

The present invention relates to a polyelectrolyte complex, and compositions thereof, for use in the treatment or prevention of dental caries, early erosive damage, and enamel demineralization, and the promotion of enamel repair and remineralization. This oral care composition comprises polyelectrolyte complexes comprising cationic polymers and anionic carboxylates.

The present invention relates to a polyelectrolyte complex, and compositions thereof, for use in the treatment or prevention of dental caries, early erosive damage, and enamel demineralization, and the promotion of enamel repair and remineralization. This oral care composition comprises polyelectrolyte complexes comprising cationic polymers and anionic carboxylates.

Cosmetic oil-in-water emulsions that can provide a hydrophobic film to protect from excessive hydration are disclosed. In some aspects, a cosmetic oil-in-water emulsion can include water at a concentration of at least about 70% by total weight of the cosmetic oil-in-water emulsion, a plurality of water-in-oil emulsifiers, a base oil, an oil-in-water emulsifier, and a film-forming polymer. The base oil can have a wVTR of about 1.0 to 30 g/m.sup.2/hr and can be at a concentration of no more than about 15% by weight of the cosmetic oil-in water emulsion.

A method for producing a polycondensate powder dispersion, characterised in that it includes at least one step of polycondensation: i) of at least one diester and at least one diamine, and/or ii) at least one amino ester, while stirring, in a solvent that can solubilise both the diamine and the diester and/or the amino ester but not the polyamide that forms during the polycondensation, at a temperature between 30° C. and the boiling temperature of the solvent, in order to produce a powder precipitate dispersed in the solvent.

A method for producing a polycondensate powder dispersion, characterised in that it includes at least one step of polycondensation: i) of at least one diester and at least one diamine, and/or ii) at least one amino ester, while stirring, in a solvent that can solubilise both the diamine and the diester and/or the amino ester but not the polyamide that forms during the polycondensation, at a temperature between 30° C. and the boiling temperature of the solvent, in order to produce a powder precipitate dispersed in the solvent.

Provided is a powder cosmetic composition including a positive charge donor material for enhancing makeup skin adhesion and preventing staining. The powder cosmetic composition may provide an effect of excellent makeup skin adhesion by including a positive charge donor material of a specific combination, thereby exhibiting a significantly higher positive charge than when a single positive charge donor material is included.