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CAS NUMBER |
96-26-4 |
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INCI NAME |
1,3-dihydroxy-2-propanone |
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DEFINITION |
FDA-approved self-tanning agent obtained by bacterial degradation of natural phosphate sugar. Off-white, fine crystalline powder, characteristic odor, pH 4-6, soluble in water & alcohol. Synonyms: dihyxal, otan, oxantin. |
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USAGE |
It can be used added to formulations as is, usual final concentration 2-12%, lower concentration for lighter tan or face, higher concentration for darker shade and body. DHA may lose its tanning effect (or induce discolorations) when combined with alpha-hydroxy acids, titanium dioxide, zinc oxide, iron oxide pigments, or certain perfumes. Avoid using amino acids, proteins, peptides, EDTA. Final product should be in the pH range between 3.5 and 5, this will prevent it from early degradation. Usually combined with erythrulose for a deeper, natural looking tan. |
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APPLICATIONS |
All kinds of self-tanning cosmetic products including creams & lotions (o/w & w/o emulsions) & cream foundations. |
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