niacinamide and zinc - with a surprisingly small price tag - this potent serum is perfect for combatting blemishes, enlarged pores and uneven skin tone. A must-have for battling breakouts, The Ordinary's Niacinamide 10% + Zinc 1% regulates sebum production to minimise pores and reduce blemish-causing bacteria, keeping your complexion clear, calm and collected. A superlative skin improver, niacinamide boosts the skin's immunity and improves moisture retention, while a brilliant shot of zinc PCA works to repair damaged skin and promote the creation of collagen.