The INKEY List Niacinamide Serum is a blemish busting serum tackles the various side effects of spot prone skin such as redness and excess oil, but doesn’t strip the skin as it is formulated with hero hydrator hyaluronic acid. Improve the look of spot prone skin with this daily serum. Ideal for all skin types. 10% Niacinamide Helps to control excess oil, target blemishes and tackle redness. 1% Hyaluronic Acid Solution Helps to hydrate and plump skin.