Solid solution of gum arabic and at least one liposoluble active ingredient having particles of a size of less than 100 .Math.m and a weight ratio of gum arabic to liposoluble active ingredients of 5:1 to 200:1, obtainable by drying an aqueous solution of gum arabic to achieve a fine-particle dry product; admixing the dry product with a solution or dispersion of the liposoluble active ingredient(s) in an anhydrous solvent in which gum arabic is insoluble; mixing in the solution while homogenizing and further comminuting the dry product to a particle size of less than 100 .Math.m; and removing the solvent at a temperature of less than 70° C., as well as method for the preparation of the solution and the aqueous suspension containing it.

Present disclosure relates to a solvent-free method of encapsulating a hydrophobic active in personal care, hydrophobic active in crop protection or a hydrophobic active pharmaceutical ingredient (API) in polymeric nanoparticles. The method includes mixing the hydrophobic active in a polymer melt, wherein the polymer melt comprises a melt of a block co-polymer, wherein the polymer melt acts as a solvent for the hydrophobic active. The method further includes maintaining the polymer melt in water for sufficient time to allow self-assembly of the block co-polymer to encapsulate the hydrophobic active therein.

Disclosed are: a co-emulsified composition containing different emulsification particle sizes; and a method for preparing the same. The co-emulsified composition contains an amphipathic anisotropic power and a surfactant, thereby allowing emulsification particles with different sizes to coexist in one dosage form, and thus a co-emulsified composition can be provided that simultaneously implements two or more feelings of use or physical characteristics.

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.

There is provided a core-shell particle comprising a polymer conjugate encapsulating an active agent, wherein the polymer conjugate comprises a biocompatible polymer and a polyacidic polymer. There is also provided a process for forming the core-shell particle, a delivery vehicle comprising the core-shell particle and a method for delivering an active agent to a desired site.

Proteinaceous cellulose microparticles are provided. These microparticles comprise cellulose nanocrystals and one or more peptide, one or more protein, or a mixture thereof, wherein the nanocrystals and the peptide(s) and/or protein(s) are aggregated together to form the microparticles. In embodiments, the microparticles comprise silk fibroin and advantageously are hydrophobic and lipophilic. There are also provided cosmetic preparations comprising these microparticles. In advantageous embodiments, these cosmetic preparations comprise a water-in-oil emulsion or a lipophilic medium. Finally, there are also provided methods of producing the microparticles.

The invention relates to a compound (1) comprising at least 50% by weight of a functional agent, characterized in that it also comprises a waxy matrix (3), within which said functional agent is dispersed, wherein said compound (1) is solid at room temperature and intended to be dispersed by fluidization and/or solubilization within a cosmetic and/or dermatological composition to incorporate therein said functional agent, said functional agent being formed from solid particles (2) having undergone a surface treatment resulting in a reductions in the absorption capacity of the waxy matrix (3) by said treated solid particles (2), as compared to untreated solid particles of the same nature. The invention also relates to a formulation of cosmetic and/or dermatological compositions.

The invention relates to a compound (1) comprising at least 50% by weight of a functional agent, characterized in that it also comprises a waxy matrix (3) having at least one organosilicon material, which organosilicon material forms the greater part by weight of said waxy matrix (3) and preferable the entirety thereof, within which said functional agent, formed by solid particles (3), is dispersed. Said compound (1) is solid at room temperature and intended to be dispersed by fluidization and/or solubilization within a cosmetic and/or dermatological composition of integrating said functional agent therein. The invention also relates to the formulation of cosmetic and/or dermatological compositions.

A bioactive glass composition comprising titanium homogenously incorporated and distributed throughout the glass and method of making a sol-gel or melt-derived bioactive glass, the bioactive glass increasing osteogenic differentiation and can be used for enamel remineralization in dentistry or bone tissue engineering.

The present invention is relative to the use of a composition comprising at least one mineral filler having properties of absorption and/or emission in the far infrared region ranging from wavelength of 2 micrometers to 20 micrometers dispersed in a marine biodegradable polymeric composition for improving marine biodegradability of said marine biodegradable polymeric composition.