Provided are compositions comprising an orally-acceptable carrier and an anionic copolymer derived from the polymerization of n-vinyl pyrrolidone (VP) with an anionic monomer compound containing phosphorus. Also provided are uses of such compounds in the oral cavity to inhibit demineralization of a tooth.

A chemically anisotropic powder with improved emulsion dispersion stability, and a cosmetic composition containing the same are disclosed in the present specification. The chemically anisotropic powder has a first polymer spheroid and a second polymer spheroid coupled in such a structure in which one polymer spheroid at least partially penetrates the other polymer spheroid, wherein any one of the first polymer spheroid and the second first polymer spheroid comprises a polymer containing siloxane, and one or more of the first polymer spheroid and the second first polymer spheroid are negatively or positively charged, thereby having effects of preventing phase separation even with a minimum amount of a thickening agent and enabling a toner type low-viscosity form containing a high oil content, the toner type low-viscosity form having yet to be applied.

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.

Compositions of the invention contain, in a cosmetically acceptable aqueous medium, a) a cationic polyelectrolyte, b) at least one surfactant; and (c) from about 0.01 to about 1.2 weight percent of an anionic polyelectrolyte, where the weight ratio of the anionic polyelectrolyte to the cationic polyelectrolyte is from about 0.05 to about 1.2, and where the composition exhibits a viscosity change that is below a minimum significant-change-threshold (Δηmin) and exhibits no measurable yield stress or increase in yield stress value when compared to a substantially identical composition that does not contain from about 0.01 to about 1.2 weight percent of the anionic polyelectrolyte, at a weight ratio of anionic polyelectrolyte to cationic polyelectrolyte of from about 0.05 to about 1.2.

Compositions of the present invention include an anionic surfactant, a zwitterionic surfactant, a superhydrophilic amphiphilic copolymer, an organic acid; and a polymer selected from the group consisting of a non-hydrophobically modified alkali-swellable emulsion polymer and a non-crosslinked hydrophobically modified acid-swellable emulsion polymer, wherein, when the composition contains the non-hydrophobically modified alkali-swellable emulsion polymer, the non-hydrophobically modified alkali-swellable emulsion polymer is present in an amount of about 0.1% to 5% by weight, and when the composition contains the non-crosslinked hydrophobically modified acid-swellable emulsion polymer, the non-hydrophobically modified acid-swellable emulsion polymer is present in an amount of about 0.1% to 5% by weight, and wherein the composition has an NTU value of 95 or less, a yield value of about 0.1 Pascal or more and pH of from about 3 to about 6.5.

Perfume composition provided in the form of a plurality of dispersed perfume-containing droplets, suspended in an aqueous dispersing medium, said perfume droplets being mono-dispersed and having a diameter of 200 micrometres to 4000 micrometres, wherein said droplets comprise more than 60 wt %, of perfume ingredients, and wherein 25 wt or less of said perfume ingredients are linear or branched alkyl alcohols and/or alkenyl alcohols; 10 wt % or less of the perfume ingredients are aldehydes; and 10 wt % or less of the perfume ingredients have a ClogP less than 2.1.

An aqueous oral care one-part composition (e.g., solution), a kit that includes such composition (e.g., solution), and methods (e.g., a method of providing fluoride to a patients tooth surface), wherein the oral care composition (e.g., solution) includes: silver cations; thiocyanate anions; fluoride anions; and water.

The present invention provides spherical monodispersed polyester resin particles and an aqueous dispersion thereof in an easy and inexpensive way, and a cosmetic product having fine extensibility, which has fine water resistance and smooth touch, and does not provide uncomfortable feeling to the skin.

Provided is an oral care composition comprising a phosphate/acrylate co-polymer, a whitening agent and an orally acceptable carrier and methods of using the same.

The present subject matter relates to light-activatable polymeric nanoparticles (NPs) for the transportation and release of an active substance, methods for obtain said particles and their uses. A light-activatable nanoparticle for the transportation and release of an active substance, comprising a polycation preferably a polimer polycation, a polyanion and a light-sensitive photochrome attached to the polycation or the polyanion, wherein said photochrome is hydrophobic and suitable to photo-cleave when activated by an irradiation source, generating a negative charge and releasing the active substance. Light-activatable. The disclosure subject matter shows that NPs are a highly efficient drug delivery system to primary leukemic cells based on opto-nanomedicine system. Therefore, the present disclosure is useful for remote control in the release of biomolecules with spatio-temporal resolution with applications in the areas of general therapeutic and regenerative medicine applications.