Oxybenzone belongs to the class of aromatic ketones known as benzophenones. It is a naturally occurring chemical found in various flowering plants

It protects the skin from the sun's harmful effects. It mainly absorbs UVB radiation, which is responsible for sunburn and increases the risk of developing skin cancer. It also absorbs short UVA rays, which are mainly responsible for skin ageing.

It is one of the common active ingredients in sunscreens. However, even if approved by FDA in USA, it can cause allergies for several sensitive people.