By combining strong UV protection with rejuvenating peptides, Alastin SilkSHIELD SPF 30 sunscreen ensures complete protection from pollution, UVA/UVB, and blue light. Non-irritating and lightweight, all-mineral sunscreen shields and actively repairs strengthening skin barriers while boosting elastin and collagen production. Being more than just a skin protector, Alastin SilkSHIELD All-Mineral Sunscreen SPF 30 is also known as a skin revitalizer. By providing a perfect blend of peptides, this lightweight formula rejuvenates mature skin, protecting skin from harmful UV rays and combating pollution and blue light. Without clogging pores or irritating skin, this product by Alastin with a hydrating formula improves the skin from a natural barrier.