- An isomer of glyceraldehyde important in the metabolism of carbohydrates and used topically to darken the skin.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for dihydroxyacetone
The active ingredient in the spray tan is dihydroxyacetone (DHA), the same as in over-the-counter bronzers.My Great Fake Bake Experiment
January 6, 2009
The dihydroxyacetone then passes through the stages previously postulated (p. 106).Alcoholic Fermentation