Alpha Arbutin + Vitamin C Serum also known as VITABIX Brightening and Anti-Spot Serum, is specially formulated to treat dark spots and blemishes such as acne scars, sunburn, etc. Alpha ARBUTIN used in this serum, by inhibiting melanin production, brightens the skin, reduces the appearance of spots, and restores skin tone. The hyaluronic acid used in this serum also helps maintain skin moisture. This serum is part of VITABIX’s water-based serums that even out and smooth the skin by removing uneven skin tone, and giving you the beauty again.