Bye Bye Dark Spots Concentrated Derm Serum is your dermatologist-tested treatment for dark spots on face. Formulated with 4% niacinamide and 1% ethyl vitamin C, this hyperpigmentation serum visibly reduces dark spots and discoloration while helping improve your skin's clarity. Suitable for all skin types, even the most sensitive, this brightening serum is your solution for age spots, melasma and other types of discoloration. Get ready to say "BYE BYE" to dark spots. More even-toned skin is here! Features and Benefits: Formulated with 4% niacinamide and 1% ethyl vitamin C Visibly reduces dark spots and discoloration Improves look of skin clarity Developed with plastic surgeons and dermatologists Suitable for all skin types, even sensitive skin How to Use: After cleansing in the AM and PM, apply 4-5 drops onto clean skin, using fingertips. Press serum into entire face and neck, avoiding eye area and lips.