Brightening Face Serum for Blemish Skin.-Alpha Arbutin Compared to Arbutin or Beta Arbutin, Alpha Arbutin is far more potent. It has sun protection qualities. -Niacinamide A product of vitamin B3, niacinamide aids in the skin’s renewal process. Antioxidants included in vitamin B3 derivatives shield the skin and delay the aging process of the skin. Skin that is more flexible, smoother, and firmer is the end result. The synthesis of your skin’s barrier, which keeps moisture in the skin, is aided by niacinamide. This is particularly beneficial if you have mature or extremely dry skin. reduces the visibility of pores. A side effect of maintaining moisturized, smooth skin over time is a natural reduction in pore size.