US 8,652,447 B2 · Cosmetic and personal care products containing synthetic magnesium alumino-silicate clays

Abstract

The invention provides for cosmetic and personal care compositions comprising a synthetic magnesium aluminosilicate clay. The synthetic magnesium aluminosilicate clay is formed at ambient pressure by a series of reaction steps and a pH change from acidic pH to basic pH. The characteristics of the magnesium aluminosilicate clay, including platelet size, degree of stacking, and porosity can be tuned depending on the cosmetic or personal care product desired. In addition, these cosmetic and personal care compositions optionally include one or more of the following components: odor controlling agents, skin protectants, diluents, lipophilic skin health benefit agents, sunscreens, humectants, emollients, slip compounds, and moisturizers.

Claims18

Dependent claims

A cosmetic composition comprising a magnesium aluminosilicate clay wherein said magnesium aluminosilicate clay is synthesized according to a method consisting essentially of the following steps:

a) combining (1) a silicon component, (2) an aluminum component, and (3) a magnesium component, under aqueous conditions at ambient temperature and at ambient pressure, to form a first reaction mixture, wherein the pH of said first reaction mixture is acidic, the pH in the range between about 0 and about 5;
b) adding an alkali base to the first reaction mixture to form a second reaction mixture wherein the pH of the second reaction mixture is greater than 7.5;
and
c) reacting the second reaction mixture for about one hour or less to form a product comprising a magnesium aluminosilicate clay.

1 more element

Dependencies are inferred from the claim text.

Cosmetic and personal care products containing synthetic magnesium alumino-silicate clays

Life of this patent

Cosmetic and personal care products containing synthetic magnesium alumino-silicate clays

Life of this patent

Abstract

Claims18