Catering to oily skin prone to blemish breakouts, the Double Defence Kit pairs two SkinCeuticals best-sellers formulated to curtail excess sebum and promote skin clarity. Both designed for AM application, the duo bestows powerful antioxidant and broad-spectrum UVA/UVB protection to shield skin from environmental stressors that can trigger oil production and the formation of spots.Set Contents: Silymarin CF 30mlA potent triple-antioxidant serum for daytime wear with 0.5% silymarin (derived from milk thistle), 15% L-ascorbic acid, 0.5% ferulic acid and 0.5% salicylic acid. Formulated for oily and blemish-prone complexions, the vitamin C serum helps protect skin from environmental stress, reduces excess sebum and minimise the effects of oil oxidation.Oil Shield Defense Sunscreen SPF 50 30mlLayered under base makeup, the lightweight, residue-free formula provides daily sun protection with a blend of mineral and chemical filters. Best suited to oily skin types, the broad-spectrum sunblock features sebum-absorbing silica silicate and dries to a mattifying dry-touch finish.