The invention relates to a cosmetic containing fatty acid magnesium salt particles and fine particle titanium oxide in which the fatty acid magnesium salt particles have a fatty acid having 12 to 22 carbon atoms, an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less and an average thickness of 250 to 600 nm.

Aspect Ratio=Major axis diameter of Particle (μm)/Minor axis diameter of Particle (μm)  formula (1)

The invention relates to fatty acid magnesium salt particles having an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less in which the fatty acid has 12 to 22 carbon atoms and in which the average thickness of the fatty acid magnesium salt particles is 250 to 600 nm.

Aspect Ratio=Major axis diameter of Particle (μm)/Minor axis diameter of Particle (μm)  formula (1)

The invention relates to fatty acid magnesium salt particles having an aspect ratio expressed by the following formula (1) of 1.0 or more and 2.0 or less in which the fatty acid has 12 to 22 carbon atoms and in which the average thickness of the fatty acid magnesium salt particles is 250 to 600 nm.

Aspect Ratio=Major axis diameter of Particle (μm)/Minor axis diameter of Particle (μm)  formula (1)

A cosmetic or personal care formulation includes a carrier and porous metal oxide spheres wherein, the porous metal oxide spheres have, e.g., an average diameter of about 0.5 μm to about 100 μm and an average porosity of about 0.10 to about 0.80; the porous metal oxide spheres have one or more population of pores each having an average pore diameter, wherein each population has a different average pore diameter and wherein the average pore diameters are, e.g., from about 50 nm to about 999 nm.

A cosmetic or personal care formulation includes a carrier and porous metal oxide spheres wherein, the porous metal oxide spheres have, e.g., an average diameter of about 0.5 μm to about 100 μm and an average porosity of about 0.10 to about 0.80; the porous metal oxide spheres have one or more population of pores each having an average pore diameter, wherein each population has a different average pore diameter and wherein the average pore diameters are, e.g., from about 50 nm to about 999 nm.

The purpose of the present invention is to provide a novel transparent oil-based cosmetic product which, when decorating the transparent oil-based cosmetic product, enables decoration with a variety of designs using a cosmetic ingredient, and which also enables decoration in a simplified method using a printing technique or the like. The present invention pertains to an oil-based solid cosmetic product which has a transparent oil-based base (A) and at least one decorative layer (B), and which is characterized in that: the transparent oil-based base (A) contains a thickener (a1) and a liquid oil (a2); the decorative layer (B) contains a powder component (b1); and the powder component (b1) contains at least one type of powder that has a higher refractive index than that of the liquid oil (a2).

The purpose of the present invention is to provide a novel transparent oil-based cosmetic product which, when decorating the transparent oil-based cosmetic product, enables decoration with a variety of designs using a cosmetic ingredient, and which also enables decoration in a simplified method using a printing technique or the like. The present invention pertains to an oil-based solid cosmetic product which has a transparent oil-based base (A) and at least one decorative layer (B), and which is characterized in that: the transparent oil-based base (A) contains a thickener (a1) and a liquid oil (a2); the decorative layer (B) contains a powder component (b1); and the powder component (b1) contains at least one type of powder that has a higher refractive index than that of the liquid oil (a2).

Provided is an elastomer that improves the skin feel of an inorganic powder. The elastomer according to the present invention is an elastomeric mixture comprising an amino group-containing silicone polymer and a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylamide polymer. The molar ratio of amino groups to carboxyl groups in the mixture is within the range of 0.1 to 1.2.

Provided is an elastomer that improves the skin feel of an inorganic powder. The elastomer according to the present invention is an elastomeric mixture comprising an amino group-containing silicone polymer and a carboxyl group-containing silicone polymer or a carboxyl group-containing acrylamide polymer. The molar ratio of amino groups to carboxyl groups in the mixture is within the range of 0.1 to 1.2.

The treatment according to the invention provides for the use of at least one peptide of general Formula X-(Xaa).sub.nK*TSK*X′aa-(Xaa).sub.mZ for a non-therapeutic cosmetic treatment of keratin materials of the skin and of its integuments, including treatment of the epidermis, scalp, hair, and nails, where X, Xaa, K*, X′aa, Z, m and n are as defined. A preferred peptide is Pal-KTSKS.