La Roche-Posay Pigmentclar Serum is a skin care product used to lighten the skin and reduce the appearance of dark spots and pigmentation. This serum comes in a 30ml bottle. La Roche-Posay Pigmentclar Serum contains a combination of active ingredients, including ferulic acid, niacinamide and vitamin C, which work to brighten the skin and improve its tone and radiance. The serum also contains antioxidants that help protect the skin from damage caused by free radicals. The serum is applied to the face and neck after cleansing the skin well, and it is gently massaged until it is completely absorbed. Can be used twice daily, morning and night, and can be used under other cosmetics. Avoid using this serum if you are allergic to any of its ingredients, and if any irritation or sensitivity occurs, you should stop using it immediately and consult a doctor if necessary. Sunscreen should also be used regularly after using this product to protect the skin from the effects of the sun's rays.