AZELAIN AZELAIN AZ Advanced Serum 30ml Set of 2 Azelaic Acid Serum, Azelaic Acid Derivative, Glycylglycine Pores, Uneven Skin Texture, Rough Skin, Shine, Stickiness, Moisturizing, Sensitive Skin, Oily Skin, Combination Skin Contains the popular ingredient "Azelaic Acid Derivative." For pores, uneven skin texture, and skin texture. Contains glycylglycine. 12 rich ingredients support the prevention of rough skin. Contains 12 skin-conditioning ingredients that support barrier function and moisturization. 5-free formula for skin-friendliness. Addictive, refreshing, and moisturizing texture.