The innovative Dr. Barbara Sturm SUN DROPS SPF 50 face serum provides an intensive protection from UVA and UVB rays. Enriched with an active complex of Purslane, Hyaluronic Acid, Vitamin E and Beta Glucane, the serum protects the skin from the UV-induced oxidative damage and promotes skin regeneration. Apply the serum 15 minutes before sun exposure and reapply frequently to mantain the protection high.