Octocrylene (Standard) is the standard substance of Octocrylene, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Octocrylene (Octocrilene) is used as an ingredient in sunscreens and cosmetics. This organic compound can penetrate into the skin where it acts as a photosensitizer. This results in an increased production of free radicals under illumination.