You’ve found “The One” in the Allies of Skin The One SPF 50 Invisible Sunscreen Gel. A formula that took years in the making, this completely transparent SPF gel is water-resistant for up to 80 minutes and provides high UVA/UVB protection. Boosted with antioxidants and skin-conditioners, The One nourishes skin, blurs pores, and doubles as a weightless makeup primer.