Seoul GuideAfter cleansing and toning, take 2-3 drops and massage into skin. Continue with the rest of your routine. *Before using for the first time, remember to patch test on skin behind the ear or under the chin. Allow 24hrs to measure skin sensitivity. If your skin is sensitive, try mix it into your moisturiser or another serum. Ingredients Propylene Glycol, Purified Water, Niacinamide,Azelaic Acid, Polysorbate 20, 1,2-Hexanediol, Sodium Hyaluronate, Salicylic Acid, Hinokitiol,Melaleuca Alternifolia (Tea Tree) Leaf Oil, Retinol, Disodium EDTA.
