PCA Skin Vitamin b3 Brightening SerumSafely brighten up oily, dry, combination and normal skin with Vitamin b3 Brightening Serum from PCA Skin. Crafted with a powerful formula infused with antioxidants and green tea, this gel like dark spot corrector works to reduce fine lines, hyperpigmentation, sun damage, dryness, dehydration and redness in a short amount of time. This product is sulfate and phthalate free.