The Chemist at Play hyperpigmentation serum is formulated with 3% Tranexamic Acid and 5% Niacinamide to help reduce the appearance of tanning and promote an even skin tone. It also regulates oil production and helps to reduce the effect of hyperpigmentation without clogging pores. To use, take 2-3 drops of the serum and evenly spread it on your skin by tapping lightly for better absorption.