Brand from South Korea: Cos De BAHA. Benefits:This AC Azelaic Acid Hinokitiol Clear Serum treats acne breakouts, reduces pimples, whiteheads, and blackheads within 24 hours.Contains the purest form of Azelaic Acid 5% and Hinokitiol and Retinol.Offers gentle acne treatment with 10% Niacinamide and Salyclic Acid.Reduces redness, maintains the skin elasticity, moisturizes and repairs the skin.The multi-tasking formula boasts a lightweight, oil-free texture that works beautifully on its own or mixed with other skin treatments.How to use:Apply a small amount and gently massage for better absorption.