This content is restricted to registered NASNPRO members. If you are an existing user, please log in. New users may register below.

Sunless tanning has really come a long way, no more orange. Tips for a sensational glow. What is DHA and how does it “tan”skin? DHA stands for dihydroxyacetone – the active ingredient in most self-tanning products. “A sugar derived active produced by a natural fermentation process, DHA reacts with amino