But back to alpha arbutin: "It works by slowly releasing hydroquinone over time, inhibiting tyrosinase, the key enzyme responsible for the production of melanin, or pigment, in the skin," explains Dr. Chang. Our formulations are updated from time to time as part of our commitment to innovation. Alpha Arbutin 2% + HA from The Ordinary is a lightweight, water-based serum is great for those looking for solutions for dark spots, uneven tone AND HYPERPIGMENTATION SUPPORT. been shown to negatively interact with any other ingredients,so you can easily work it into your existing routine, notes Dr. Rodney. When you buy a product via our links, we may earn a small commission,. 2. ), SkinCeuticals Phyto Plus (Buy It, $87, skinstore.com): This effective yet gentle serum, with its combination of arbutin and kojic acid (another great skin-brightening ingredient), is recommended by both derms. Both Alpha Arbutin and Niacinamide are water-based serums that can be applied as a first step of the routine after thoroughly cleansing and drying the skin. window.CQuotient.initFromCookies(); $12.90. //