Cosrx The Niacinamide 15 Oil Control Acne Care Facial Serum is designed to address various aspects of acne-prone skin, including blemishes, scars, excess sebum production, inflammation, and hyperpigmentation. The acne care formulation is developed with key ingredients like 15% niacinamide, N-acetylglucosamine, zinc PCA, & allantion. Niacinamide (15%) is a form of vitamin B3 that has gained popularity in skincare due to its versatile benefits. In this serum, it serves as the primary active ingredient. Niacinamide has sebum-regulating properties, helping to control excess oil production and minimize the appearance of enlarged pores. It also possesses anti-inflammatory properties, which can aid in reducing redness and irritation associated with acne. Additionally, niacinamide inhibits the transfer of melanin, which helps fade dark spots and acne scars over time. Working in synergy with niacinamide, N-Acetylglucosamine contributes to the fading of dark spots and acne scars. This ingredient supports the overall brightening and evening out of the skin tone, helping to reduce the visible effects of hyperpigmentation. Zinc PCA plays a dual role in this serum. It helps to regulate excess sebum production, which is a common issue for individuals with oily and acne-prone skin. By controlling sebum, it can help prevent clogged pores and the development of new blemishes. Additionally, zinc PCA has anti-inflammatory properties, which can contribute to minimizing skin inflammation and irritation. Allantoin is known for its soothing and skin-regenerative properties. It can help calm irritated skin, reduce redness, and support the healing process of damaged skin. In a serum targeting acne care, allantoin can help mitigate some of the potential irritation that acne-prone skin might experience. Overall, the combination of these ingredients suggests that the Cosrx The Niacinamide 15 Acne Care Facial Serum is formulated to provide a comprehensive approach to addressing multiple concerns associated with acne-prone skin. It targets not only active blemishes but also the aftermath in the form of scars and hyperpigmentation.