Physical Defense SPF 44 is a water resistant, physical sunscreen that features a moisturizing base with a sheer, universal tint beneficial for most skin types. Formulated as a chemical-free alternative to sun protection, Physical Defense SPF 44 is a great option for even the most sensitive skin types, including post-procedure. Zinc Oxide 10% and Titanium Dioxide 5.5% provide protection against UVA-aging and UVB-burning rays. In addition to the mineral based sun protection, this gentle sunscreen also contains Hyaluronic Acid which effectively hydrates the skin to restore a youthful appearance. This product is light enough to wear alone or under makeup for everyday protection.