Octocrylene is a common ingredient in chemical sunscreens and anti-aging creams.  Manufacturers worldwide use octocrylene as an additive ingredient in skin care products and cosmetics. It can help protect the skin against UV radiation and also has emollient properties. However, the ingredient may cause side effects, such as allergic reactions.  Octocrylene: This chemical is used to stabilize other UV light absorbers in sunscreens. It has been found to produce free radicals that can potentially damage cells. It is harmful to the environment and can cause damage to coral reefs.