Question: is avobenzone bad for reefs?
Answer: You should also know that oxybenzone is only one of several sunscreen ingredients that are toxic to coral. Known as the Awful 8, these chemicals should be avoided at all cost: Oxybenzone, octinoxate, octocrylene, PABA (Aminobenzoic Acid), enzacamene, octisalate, homosalate, and avobenzone.