Serum for dark spot care with 2% Alpha-Arbutin. - Brand: COSRX - Product Name: The Alpha-Arbutin 2 Discoloration Care - Key Ingredients: Tranexamic Acid 3%, Niacinamide 5%, NAG 2% - Description: Helps for the post-breakout appearance and care for the appearance of dark spots. Used a few times. About 80% remaining. Thank you for looking.