... solution: DHA 8%, 10%, 12% 16% 100ml, 250ml, 500ml, 1 litre and 1 gallon FDA approved ingredients, safe to ... use Spray tanning solution:1. DHA 8%, 10%, 12%, 16 ... ok.3. Use FDA approved ingredients; airbrush tanning solution is safe and nontoxic.4. Airbrush tanning is ... a dye. The primary ingredient in the tanning solution works with the amino acids in the top ...