TanRevel uses naturally derived DHA that is approved by the FDA. DHA causes skin pigment to darken by creating a chemical reaction with the amino acids in the most upper layer of the skin.
The full list ingredients are here: Aqua, Propylene Glycol, Dihydroxy Acetone, Calendula Officinalis Extract, Aloe Vera Extract, Glycerin, PEG-8, Caprylyl Glycol, Glyceryl Polyacrylate, Erythrulose, Polysorbate 6o, Artemisia Absinthium Extract, Perfume, Xanthan Gum