The Ordinary Alpha Arbutin 2% + Ha Hyperpigmentation SerumA brightening serum for uneven skin tone and dark spots, visibly improving pigmentation. Description Alpha arbutin 2% + ha is a water based serum specially formulated to address skin imperfections like uneven skin tone and visible pigmentation issues. It blends a potent concentration of purified alpha arbutin, a well known skin brightening ingredient, with hyaluronic acid. The purified alpha arbutin reduces the appearance of dark spots and promotes