A two-step morning pairing that defends skin from the environmental stress behind fine lines and dullness.C E Ferulic, our best-selling vitamin C serum, neutralizes the free radicals from sun and pollution and improves the look of fine lines. Physical Fusion UV Defense SPF 50 is a tinted, all-mineral sunscreen that protects while it evens tone. Antioxidant protection and daily sun protection are the two steps that matter most as skin ages.Apply C E Ferulic first each morning on clean skin, then finish with Physical Fusion as your last step, alone or under makeup.Size: 2-piece duo (C E Ferulic 30 mL, Physical Fusion UV Defense SPF 50 50 mL) Best for: fine lines, uneven tone, and daily environmental protection Use: AM, C E Ferulic then sunscreen