UV sun protection in a waterproof base. Jan Marini Antioxidant Daily Face Protectant SPF 33 - Tube (formerly Antioxidant Daily Face Protectant SPF 30) is a powerful sunscreen that combines conventional sunscreen agents with two newly developed, non-chemical sun-blocking substances to provide enhanced sun protection with exceptional skin recovery benefits. It's even water-resistant for times when perspiration or water sports may be a factor.