@jemmx.18: —consistency is the key! this is my second bottle of this @Teashell PH Niacinamide Brightening Serum, and i got this as free sample yay! it help you to lessen your hyperpigmentation and discoloration by consistently using. #teashellbrighteningserum #teashellniacinamide #brighteningserum #hyperpigmentationserum #serumniacinamide