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dihydroxyacetone Syllabification: di·hy·drox·y·ac·e·tone
Pronunciation: /ˌdīhīˌdräksēˈasətōn/

Definition of dihydroxyacetone in English:


A synthetic compound with strong reducing properties, used in lotions for coloring the skin in sunlight.
  • Chemical formula: (CH2OH)CO
Example sentences
  • Artificial tanning products use chemicals such as dihydroxyacetone that react with proteins in the skin to create a brown color.
  • All self-tanners contain a chemical called dihydroxyacetone, or DHA, which temporarily stains (within about an hour) the uppermost layer of your skin, called the stratum corneum.
  • Some beauty salons have recorded a 20% increase in sales of the treatment, which uses the colour additive dihydroxyacetone.


Late 19th century: from dihydroxy- (in the sense 'containing two hydroxyl groups in the molecule') + acetone.

Definition of dihydroxyacetone in:

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