Dihydroxyacetone (DHA), a three-carbon sugar, is the browning ingredient in commercial sunless tanning formulations. DHA preparations have been used for more than 50 years and are currently highly popular for producing temporary pigmentation resembling an ultraviolet-induced tan
DHA was originally used as an artificial sweetener for diabetic patients. In the 1950s, it was also used orally for children with glycogen storage diseases
when it was discovered that it induced a brown pigmentation to the skin. Currently, DHA is the only FDA-approved agent for sunless tanning.
DHA may be important for oligodendrocyte development, and thus myelination of the nerve cells that help to power the brain........
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