City Sunscreen Serum simultaneously protects skin from daily UVA and UVB sun exposure, provides 24 hours of continuous moisture and stimulates the repair of existing UV damage to even further combat premature aging. First to U.S. market with Swiss complex, Uniprotect PT-3 assists with repairing the skin from existing sun damage while reducing UV-induced oxidation. An air-proof dispensing system preserves the strength of the actives while allowing precise dosage to consumer in each application.