Clinically brighten skin tone while preventing future dark spots from aging, acne, and environmental damage. This advanced, innovative serum, formulated with stabilized vitamin C, Tranexamic Acid, Ferulic Acid, and exclusive MASQ-tech™ flips the switch on dull, fatigued skin to defy aging, minimize pore appearance, and naturally hydrate while supporting healthy skin barrier function. Turn on your skin with PRO Brite-Plus Serum. My top pick for melasma and stubborn sun spots.