Components, for example, nanoparticles for detecting and/or treating one or more active carious lesions or microcavities in teeth of a subject are provided. The component or nanoparticle may comprise a biocompatible and biodegradable polymer (e.g., a starch) bearing at least one cationic region and/or having a net positive charge and thereby capable of associating with one or more active and/or early carious lesions on a tooth in an oral cavity of a subject. The components or nanoparticles are optionally water soluble or dispersible. The components or nanoparticle also comprises an imaging agent (e.g., a fluorophore or dye) bonded to the biocompatible and biodegradable polymer. The component or nanoparticle is thus capable of indicating the presence of one or more active carious lesions when the component or nanoparticle is associated therewith. Oral care compositions comprising such compounds/nanoparticles and methods of making and using the same are also provided.

A cosmetic according to the present invention, an objective of which is to provide a two-layered oil-based cosmetic that, despite having a high powder content, is resistant to caking, has excellent powder re-dispersibility and has an excellent texture when applied, is a two-layered oil-based cosmetic containing (a) a non-spherical organopolysiloxane elastomer, (b) silicic anhydride and (c) a powder other than (b) above. Furthermore, the cosmetic of the present invention has a viscosity of 10,000 mPa.Math.s or lower.

The present disclosure relates to hollow core granules, products incorporating the hollow core granules, and methods of making the hollow core granules. The hollow core granules can comprise at least one wall surrounding a cavity that is devoid of any solid or liquid so as to define a hollow core, the at least one wall comprising a plurality of individual particles of at least one wall forming material, the plurality of individual particles sufficiently bound together so that the at least one wall is structurally self-sustaining. The hollow core granules further can include a binder material present in the at least one wall. The hollow core granules can be useful as a standalone material and/or may be useful in preparing a variety of products wherein the hollow core granules may be mixed or otherwise combined with further components. The disclosure further provides methods of making such hollow core granules.

Provided are personal care compositions comprising a polyacrylate oil gel composition comprising (a) hydrophobic ester oil, and (b) one or more polymers comprising polymerized units derived from (i) 85 to 100 weight % of C.sub.4-C.sub.8 (meth)acrylate monomers, and (ii) 0 to 15 weight % of high T.sub.g monoethylenically unsaturated monomers having a T.sub.g of more than 90° C. after polymer formation.

Silicone particles having excellent dispersibility are provided via the method herein. A cosmetic material having excellent feeling of use, and a highly functional paint and an electronic material are also provided. The silicone particles include a siloxane as a component. A content of a hydrogen atom bonded to a silicon atom per unit mass is 300 ppm or less, or optionally is 20 ppm or less. In addition, the silicon atom in the siloxane as a component for the silicone particles is crosslinked with another silicon atom via an alkylene group having a carbon number of 4 to 20.

Disclosed is a microcapsule comprising benefit agent and water-insolvable solid particle, wherein the microcapsule has an aspect ratio of from 3:1 to 12:1 and the weight ratio of the particle to the benefit agent is 1:5 to 50:1, where aspect ratio means the ratio of the length to width of the microcapsule as measured by optical microscopy, where length refers to the longest measurable distance of the microcapsule in the optical image and width refers to the longest measurable distance of the microcapsule along the direction perpendicular to the length of the microcapsule in the optical image, and where water-insolvable refers to a material that dissolves in water to give a solution with a concentration of less than 1 gram per litre, wherein, the water-insolvable solid particle comprises a plurality of pores throughout the particles and the benefit is encapsulated inside the pores

Disclosed is a non-spherical microcapsule comprising a core comprising a benefit agent, and a shell comprising nanoparticles having a diameter of 10 to 300 nm and polyurea.

Provided is a method for forming a coating comprising fibers having an excellent adhesivity to the skin, comprising directly electrostatically spraying on the skin.

A method for producing a coating comprising fibers on the surface of skin or nail, comprising directly electrostatically spraying onto human skin or nail, composition A comprising the following components (a), (b) and (c):

(a) one or more volatile substances selected from the group consisting of an alcohol and a ketone,
(b) a water-insoluble polymer for fiber formation,
(c) 0.2 mass % or more and 25 mass % or less of water; wherein the mass ratio of component (b) to component (c), ((b)/(c)) is of 0.4 or more and 50 or less.

Provided is a degradable microparticle with a grain size in a range of 2 micrometers to 1400 micrometers, and the degradable microparticle comprises poly(glycerol sebacate), poly(glycerol maleate), poly(glycerol succinate-co-maleate), poly(glycerol succinate), poly(glycerol malonate), poly(glycerol glutarate), poly(glycerol adipate), poly(glycerol pimelate), poly(glycerol suberate), poly(glycerol azelate), or any combination thereof. A degradable product produced from the degradable microparticles can obtain the desired degradation effect and can be produced by chemical synthesis to reduce the production cost. With these advantages, the applicability of the degradable microparticles is improved.

A method for producing functionalized nanocrystalline cellulose, the method comprising the steps of providing cellulose, mixing said cellulose with a peroxide, thereby producing a reaction mixture, and heating the reaction mixture, and/or exposing the reaction mixture to UV radiation is provided. Functionalized nanocrystalline cellulose produced by this method is also provided.