Serum for the treatment of acne, regulating sebum production and improving pores. Thanks to its niacinamide content, it regulates sebum production and refines pores, thereby enhancing skin texture. N-Acetylglucosamine helps remove dead skin cells that have formed in the early stages of acne and improves hyperpigmentation. It contains zinc, reduces inflammation by regulating sebum production, and repairs the skin by visibly reducing spots and scars caused by acne.