A process for producing particles of at least one polyhydroxyalkanoate (PHA), the particles having an average diameter (d50) greater than or equal to 0.1 μm and less than or equal to 100 μm, may include: providing an aqueous suspension of the at least one PHA; and subjecting the aqueous suspension of the at least one PHA to a process of atomization by spray drying. A process for producing particles of at least one PHA, the particles having an average diameter (d50) greater than or equal to 0.1 μm and less than or equal to 100 μm, may include: atomizing an aqueous suspension of the at least one PHA by spray drying the aqueous suspension.

The present invention relates to the use of native and/or porous starch as white pigment in dental health products and in particular in toothpastes. The present invention also relates to the process of fabricating a dental health product composition and in particular a toothpaste composition.

The present invention relates to a composition comprising: (a) at least one cationic polysaccharide; (b) at least one antioxidant; and (c) water, wherein the (b) antioxidant has at least one negatively chargeable and/or negatively charged moiety selected from the group consisting of a sulfuric group, a sulfate group, a sulfonic group, a sulfonate group, a phosphoric group, a phosphate group, a phosphonic group, a phosphonate group, a phenolic hydroxyl group, a carboxylic group, and a carboxylate group. The composition according to the present invention can include a relatively larger amount of antioxidant.

The present application relates to a colouring solid particle for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising a core containing one or more direct dyes and/or one or more oxidation dye precursors and an upper coating layer covering said core and containing one or more cellulose ethers. The present application also relates to a process for preparing a dye composition comprising one or more colouring solid particles, to a process for the oxidation dyeing of keratin fibres, comprising the application of the composition obtained to said fibres, and to the use of this composition for dyeing keratin fibres.

The present invention relates to a deodorising composition containing: (a) 1,8-para-menthenethiol, (b) 3-mercaptohexyl acetate and (c) undecylenic acid or a derivative thereof. It also relates to the use of said composition for eliminating bad odours, and to a deodorant product in the form of an aerosol, a candle or a perfume diffuser that has a wick or a stick or is electric, or an article consisting of a solid polymeric material, in particular a silicone elastomer, containing the aforementioned composition.

Described herein is a powdered soap comprising a plurality of particles, each of the particles comprising a polyquat, a clay, and a fatty component.

The present invention relates to a cosmetic composition including an organic effect pigment. The organic effect pigment includes cellulose nanocrystal flakes which have an average size in the range of from 10 to 6500 micrometers.

An objective of the invention is to provide a powdered solid cosmetic that has excellent powder dispersibility and high impact resistance, while also having a texture similar to that in the case in which an elastic spherical powder is blended. The powdered solid cosmetic according to the present invention contains (A) a non-elastic spherical powder having a crushing strength per particle of 30 MPa or higher; (B) 1% to 15% by mass of iron oxide; (C) a gel-type partially crosslinked organopolysiloxane polymer; and (D) a non-ionic surfactant having an HLB of 10 or lower; wherein the (A) non-elastic spherical powder constitutes 90% by mass or more of all spherical powders contained in the cosmetic.

An objective of the invention is to provide a production method for a powdered solid cosmetic that, while having a texture similar to that in the case in which an elastic spherical powder is blended, also has excellent powder dispersibility and high impact resistance. The production method for a powdered solid cosmetic according to the present invention comprises a slurry preparation step of preparing a slurry by mixing a powder component and an oil-based component, as a binder, in a volatile solvent, wherein: the powder component includes a spherical powder, and the spherical powder contains (A) a non-elastic spherical powder having a crushing strength per particle of 30 MPa or higher; the oil-based component contains (B) a gel-type partially crosslinked organopolysiloxane polymer; the (A) non-elastic spherical powder constitutes 6% to 25% by mass of the powdered solid cosmetic; and 90% by mass or more of the spherical powder contained in the powder component is constituted by the (A) non-elastic spherical powder.

To provide an oil-in-water type emulsified cosmetic comprising a pigment grade hydrophobically treated particle and a hydrophobically treated microparticle, which is capable of uniformly applying particles subjected to hydrophobization treatment on the surface of the skin and exhibiting a good tone-up effect and the like.

The oil-in-water type emulsified cosmetic of the present disclosure comprises a dispersion medium comprising water, and an oil droplet dispersed in the dispersion medium, wherein the dispersion medium comprises a nonionic surfactant, a polyhydric alcohol, and a pigment grade hydrophobically treated particle having an average particle diameter of 300 nm or more, wherein the oil droplet comprises an oil content , a nonionic surfactant, and a hydrophobically treated microparticle having an average particle diameter of 200 nm or less, and wherein the oil content comprises a volatile oil.