Biosaccharide gum-4 is a sorbitol (natural sugar) derivative with an innovative molecular structure that improves adhesion and interaction with other molecules, essentially forming a barrier over the skin, shielding it from potentially aging stressors. No other active ingredient can as effectively limit the penetration of UV rays and atmospheric and domestic pollution while forming a non-occlusive film, that is to say—a breathable screen—over the skin. Follow us for more vegan beauty active ingredients to include in your skincare routines!