Soothing serum containing 16% azelaic acid. - Brand: medicube - Product Name: Azelac Acid 16 B8 Calming Serum - Ingredients: 16% Azelaic Acid - Expiration Date: August 10, 2027 Thank you for viewing. I am selling this because it didn't suit my skin, although I used it a few times. Due to the thickness, I will ship it with only waterproof packaging, without bubble wrap. There are no pets or smokers in my home. Please understand that this is a used item, inspected by an amateur, and stored at home.