Displaying 2 results of Avobenzone Stable Isotopes Avobenzone is a commonly used ingredient in sunscreen products that helps protect the skin from harmful UV radiation. Stable isotopes of avobenzone are non-radioactive versions of the molecule that can be used for research purposes and to study the metabolism and distribution of avobenzone in the body. These isotopes can be useful in understanding the effects of avobenzone on human health and the environment.