Isdinceutics Pigment Expert Correcting Serum is a targeted serum designed to brighten and unify skin tone. Using a gentle but effective formula, containing skin smoothing and pigment-correcting ingredients, it helps to decrease the appearance of dark spots for brighter, more luminous skin. Main ingredients include Pigment Corrector, glycolic acid, dipotassium glycyrrhizate Liquorice extract). Pigment Corrector, a combination of 4-butylresorcinol, hydroxyphenoxy propionic acid and niacinamide helps to reduce the appearance of dark spots. Glycolic acid is alpha-hydroxy acid (AHA) with exfoliating properties which helps to smooth the skin, diminishing the appearance of imperfections. Dipotassium glycyrrhizate, a plant-based ingredient, otherwise known as Liquorice root extract, which soothes skin and helps to preserve hyaluronic acid levels, boosting flexibility.