Serum indicated for combination and oily skin. With assets that help reduce imperfections and minimize pores. This serum contains sebum-regulating and antimicrobial active ingredients that help control excess sebum on the skin and provide hydration. With Niacinamide and Zinc PCA. Precautions: - Do not combine with products that contain Direct Acids or Pure Vitamin C. - Do not apply on wounds, mucous membranes or broken skin. - Avoid direct eye contact. - Topical use. Mode of Use: Apply 4 or 5 drops of the product in the morning and at night on clean, dry facial skin with a gentle massage to promote its absorption. Apply before water-based creams, oils and serums.