KOA Life Niacinamide Booster (NIB). NEW IN BOX. Boost your current skincare regime with this booster serum. Add a few pumps into your current skincare to up-level your products or on its own. Niacinamide keeps your skin firm and healthy, treats hyperpigmentation, helps treat blemishes, protects against sun damages, and minimizes fine lines and wrinkles. Juicy skin starts here! Add a few pumps into your current KOA, LIFE face oil or moisturizer or on its own to boost your glow! Niacinamide, tightens and firms, and improves the health of your skin. It fades dark spots, fights blemishes for a clear complexion, protects against sun damage, and minimizes fine lines and wrinkles. This formula is vegan, cruelty, free, chemical, free, paraben, free, and sulfate free.