Medik8 Super C Ferulic 30ml - Previously known as Super C30 Intense The Medik8 vitamin C for advanced signs of skin ageing. A potent 30% concentration of ethylated ascorbic acid infuses this serum with unrivalled, enhanced stability. Incredibly powerful, this high-strength vitamin C serum works to improve the appearance of sun damage and dark spots, while helping to prevent any further environmentally-induced skin ageing. Antioxidant power is further intensified with tumeric root and botanical oils. Supercharged with ferulic acid, a powerful antioxidant, to provide additional defence against free radical damage. The serum dries quickly on the skin, leaving it radiant, evenly-toned and healthy-looking. Medik8 recommend a simple, highly effective anti-ageing strategy of using vitamin C and sunscreen in the morning and vitamin A at night. This strategy is called: CSA.