- Brightens dark spots and evens skin tone by inhibiting melanogenesis - Blocks the glycation process to minimise age-related skin yellowing and dullness - Boosts barrier function to reduce rednessCORRECT PCA Skin Vitamin b3 Brightening Serum  Reduce the appearance of dark spots and uneven skin tone while improving skin barrier function with this powerful skin-brightening serum. This advanced formulation effectively reduces skin discoloration, redness, and glycation related skin yellowing, leaving the complexion even and bright. Key Ingredients: - 6% Niacinamide: a potent, yet calming antioxidant that delivers multiple important benefits to the skin; it helps to reduce transepidermal water loss (TEWL) and improve barrier function for healthy, bright skin - Glycerin: a humectant and emollient that helps hydrate the skin - Mulberry Extract, Green Tea Extract, and Oligopeptide-51: an advanced ingredient blend that decreases the production of unwanted pigment to brighten skin and