An appointment-free advanced brightening serum inspired by dermatological treatments to improve skin's youthful clarity by targeting visible dark spots and dullness for a luminous, revitalized complexion. It visibly reduces the look of dark spots in just 2 weeks. It contains the highest concentration of Cle de Peau Beaute's exclusive brightening ingredient, 4MSK, to target visible hyperpigmentation and brighten skin tone while sea ferment brightener actively prevents hyperpigmentation before it appears. Over time, skin appears more even-toned, infused with a supreme radiance while remaining nourished and moisturized for up to 24 hours.