Emergin C Forte, 20 percent Vitamin C Serum,a stronger concentration of vitamin C for those who need intensive treatment. All skin types, except sensitive. Use morning and or night. Anti-aging antioxidant, fights free radicals, co-factor in the production of collagen, to improve skin tone and texture, anti-bacterial, fights against sun damage, post laser, fights pigmentation problems by retarding excessive melanin production. Active ingredients; 20 percent L-ascorbic acid, 5 percent magnesium ascorbyl phosphate. Keep in a cool place for longer stability.