Alpha Arbutin for Skin: Benefits, Uses & Side Effects ExplainedAlpha arbutin is a potent, gentle skin-brightening agent that reduces hyperpigmentation, dark spots, and acne scars by inhibiting tyrosinase, the enzyme responsible for melanin production. It evens out skin tone, improves radiance, and is a safe, stable alternative to hydroquinone, suitable for daily use on all skin types to achieve a brighter complexion.