This advanced, oil-free serum combines a high concentration of 10% niacinamide with 1% zinc, to effectively target, treat and reduce the appearance of skin blemishes, breakouts and congestion. Zinc PCA balances sebum levels whilst aiding natural skin healing and recovery. Skin is left feeling calm and balanced with a more even appearance. The non-comedogenic formula is suitable for all skin types, especially problematic. Cruelty free and vegan.