Used many types of Coppertone products and competitors' sunscreen/sunblock and tanning lotions in the past. This product caused the skin to blister with a rash lasting a week. Good news is it was a small area of skin applied. Could be one of these active indgredients: Avobenzone Homosalate Octsalate Octocrylene Oxybenzone or "inactive" Alcohol denat. (75.3% v/v), acrylates/octylacrylamide copolymer, stearoxytrimethylsilane, glycerin, diethylhexyl syringylidenamalonate, tocopherol (vitamin e), fragrance, retinyl palmitate (vitamin a palmitiate), caprylic/capric triglyceride.