Exponent Brightening Boost Vitamin C Power Serum is serious skincare. This refill powder brightens and rejuvenates the complexion. The Vitamin C serum targets sunspots, discoloration, and dullness, unveiling a radiant glow. It diminishes the look of fine lines and wrinkles, promoting a youthful appearance. It is an ideal choice for sensitive skin, this potent serum renews the skin.