Cosmetic And Dermatological Self-Tanning Formulations Comprising Dihydroxyacetone And Glycerin

A cosmetic or dermatological self-tanning composition which comprises dihydroxyacetone and more than 5% by weight, based on a total weight of the composition, of glycerin.

The composition of clam 15, wherein the one or more O/W emulsifiers comprise at least one emulsifier selected from polyethoxylated esters of fatty acids having a chain length of from 10 to 30 carbon atoms and a degree of ethoxylation of from 5 to 100 and esters of saturated, unbranched fatty acids with monomethoxylated glucose or polyglycerols.

The composition of clam 15, wherein the one or more O/W emulsifiers comprise at least one emulsifier selected from sodium cetearyl sulfate, glyceryl stearate, glyceryl isostearate, glyceryl diisostearate, glyceryl oleate, glyceryl palmitate, glyceryl myristate, glyceryl lanolate and glyceryl laurate.

A cosmetic or dermatological self-tanning composition which comprises dihydroxyacetone and glycerin in a weight ratio of from 0.05:1 to 0.9:1.

The composition of clam 27, wherein the one or more O/W emulsifiers comprise at least one emulsifier selected from polyethoxylated esters of fatty acids having a chain length of from 10 to 30 carbon atoms and a degree of ethoxylation of from 5 to 100, esters of saturated, unbranched fatty acids with monomethoxylated glucose or polyglycerols, and sodium cetearyl sulfate, glyceryl stearate, glyceryl isostearate, glyceryl diisostearate, glyceryl oleate, glyceryl palmitate, glyceryl myristate, glyceryl lanolate and glyceryl laurate.

A method of producing a dihydroxyacetone containing cosmetic or dermatological self-tanning composition which provides a natural tanned color, wherein the method comprises incorporating into the composition an amount of glycerin which is sufficient for the composition to provide a natural skin color when it is applied to skin.