A hand powder composition, particularly useful for musicians of necked stringed instruments, comprising a fine moisture absorbing powder in an amount from about 90%-99% by weight of the total composition and a fine polytetrafluoroethylene powder in an amount from about 1%-7% by weight of the total composition. The polytetrafluoroethylene powder may have average particle sizes of about 18-22 m. The moisture absorbing powder may be talcum powder or corn starch, or a combination thereof. A fine alkaline powder may be included to neutralize acidity of perspiration. A fine powdered colorant may be included for approximately matching the color of the composition to a desired color.

The present invention provides: a colloid having a self-iontophoresis capacity, comprising elastomer microparticles and a piezoelectric layer encompassing the same; a preparation method therefor; and a cosmetic composition containing the same.

According to the present invention, iontophoresis occurs by itself without the help of additional instruments, thereby allowing water-soluble active ingredients in a cosmetic composition to be effectively and transdermally delivered and absorbed.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A method includes selecting one or more coating materials to be applied to zinc oxide particles in a sunscreen composition, wherein said selecting is based on optical properties of the coating materials, wherein the optical properties comprises at least the refractive index of each of the coating materials, and applying the selected coating materials to the zinc oxide particles to create the sunscreen composition.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A method includes selecting two or more coating materials to be applied to zinc oxide particles in a sunscreen composition, wherein said selecting is based on optical properties of the coating materials, wherein the optical properties comprises at least the refractive index of each of the coating materials, and applying the selected coating materials to the zinc oxide particles to create the sunscreen composition.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A composition includes multiple zinc oxide particles suspended within a medium forming sunscreen composition, and two or more coating materials applied to each of the multiple zinc oxide particles in distinct layers via a gradation based on refractive index, wherein each of the coating materials has a refractive index that is between the refractive index of air and the refractive index of zinc oxide, and wherein the two or more coating materials comprise one or more fluoropolymers and aluminum oxide.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A composition includes multiple zinc oxide particles suspended within a medium forming sunscreen composition, and two or more coating materials applied to each of the multiple zinc oxide particles in distinct layers via a gradation based on refractive index, wherein each of the coating materials has a refractive index that is between the refractive index of air and the refractive index of zinc oxide, and wherein the two or more coating materials comprise zinc sulfide and titanium dioxide.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A composition includes multiple zinc oxide particles suspended within a medium forming sunscreen composition, and coating materials applied to each of the multiple zinc oxide particles in distinct layers via a gradation based on refractive index, wherein each of the coating materials has a refractive index that is between the refractive index of air and the refractive index of zinc oxide, and wherein the coating materials comprise a combination of (i) silicon dioxide, (ii) magnesium fluoride, (iii) one or more fluoropolymers, (iv) aluminum oxide, (v) zinc sulfide, and (vi) titanium dioxide.

Methods and compositions for use in tissue volume replacement are provided. The present invention comprises compositions comprising a combination of materials, comprising preferably a solid polymer particle phase and a gel phase, and also comprises single phase compositions. More particularly, preferred embodiments comprise a solid polymer particle phase made of materials comprising Gore-Tex (micronized e-PTFE), PDS II (polydioxanone, a monofilament), NUROLON (a long chain aliphatic polymer Nylon 6 or Nylon 6,6) ETHILON (a long chain aliphatic polymer Nylon 6 and Nylon 6,6), PROLENE (Polypropylene, isotactic crystalline stereoisomer of polypropylene, a synthetic linear polyolefin.), VICRYL (copolymer made from 90% glycolide and 10% L-lactide), silk, MONACRYL (poly -caprolactone.), polylactide, polyglycolide, poly lactide-co-glycolide, and BIOPOL (polyhydroxyvalerate), MEDPOR (biocompatible (micronized) polyethylene), BIOGLASS (bioactive glass particulate), NOVABONE and NOVABONE-CM, and the gel phase comprises polyvinylpyrrolidone (PVP). Preferred single phase compositions comprise PVP. Methods of the present invention comprising injection of such compositions for tissue augmentation.

A cosmetic is characterized by containing a polymer which is produced by polymerizing a fluorine atom-containing monomer represented by formula (I) (wherein R.sup.1 represents a hydrogen atom or a methyl group; R.sup.2 represents a hydrogen atom or a fluorine atom; m is an integer of 0 or 1 to 4; and n is an integer of 1 to 12), (B) a betaine monomer represented by formula (II) (wherein R.sup.3 represents a hydrogen atom or a methyl group; R.sup.4 and R.sup.5 independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; p represents an integer of 1 to 4: and q represents an integer of 1 to 4) and (C) a monomer component containing an alkyl (meth)acrylate represented by formula (III) (wherein R.sup.6 represents a hydrogen atom or a methyl group and R.sup.7 represents an alkyl group having 8 to 22 carbon atoms) with one another.

Disclosed are a cosmetic composition containing an amphiphilic anisotropic powder and a method for preparing the same. The cosmetic composition contains an amphiphilic anisotropic powder which maximizes chemical interface activity and physical interface activity by controlling amphiphilic property, which is the characteristic of an existing surfactant, and geometric property, which is the characteristic of powder macroparticles, thereby forming an emulsion having excellent and stabilized emulsifying capacity.