So while I enjoyed using the serum and experienced no irritation, I get better results when using more potent acids like lactic acid or lower concentrations of glycolic acid. verifyErrors }}{{ message }}{{ /verifyErrors }}{{ Naturium Niacinamide Serum 12% Plus Zinc 2% contains pure 12% niacinamide and 2% zinc PCA, which targets fine lines, skin texture, enlarged pores, and uneven skin tone. It provides antioxidant protection, is anti-inflammatory and antimicrobial, and can even help with acne. Peptide Moisturizer - Target The Look Of Fine Lines & Wrinkles - Naturium