Ever wonder how sunless tanning got started? It was a far cry from the sunless tanning products available today, but DHA was actually first recognized as a skin coloring agent in the 1920's! It was used during the x-ray process and doctors noted that it changed the color of the skin when spilled!
After that DHA was used for treating children with glycogen storage disease. It was again noticed that when spilled, it changed the color of the skin. A doctor experimented with this on her own skin, and after much trial and error developed the first sunless tanners. Sunless tanning products sure have come a long way!
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