The Korean NINE LESS A-Control 10% Azelaic Acid Serum is an intensive treatment designed specifically for those struggling with skin problems such as acne, discoloration, and excessive sebum production. The serum contains 10% azelaic acid, one of the most effective ingredients in combating skin imperfections. NINE LESS A-Control 10% Azelaic Acid Serum is an excellent choice for those seeking an effective product for problem skin, combating acne and discoloration. Thanks to its high azelaic acid content, the serum provides comprehensive care and improves skin condition after just a few weeks of regular use. Main active ingredients: • Azelaic acid (10%) – exfoliates, reduces sebum production, reduces inflammation, brightens discolorations and smoothes skin texture2. • Niacinamide (2%) – strengthens the skin's protective barrier, regulates sebum secretion, has antioxidant and anti-inflammatory properties. • Snail slime filtrate – has a regenerating effect, soothes acne, moisturizes, softens the skin and lightens discolorations2. • Centella asiatica extract – soothes irritations, accelerates skin regeneration. • Lactic acid – has softening and moisturizing properties, improves skin structure2. Benefits of use: • Reduction of discoloration and even skin tone • Moisturizing and soothing the skin • Strengthening the skin's protective barrier • Regulation of sebum secretion