Alpha Arbutin
- Effective dose
- 1–2 %
- Evidence
- 3/5· Moderate
Last updated June 1, 2026
What it is
Alpha arbutin is a stabilized, naturally derived skin-brightening agent and a more potent form of arbutin. It works by inhibiting tyrosinase, the enzyme that controls melanin production, which gradually reduces the formation of excess pigment. It is considered a gentler alternative to hydroquinone for fading dark spots.
Benefits
Alpha arbutin helps reduce hyperpigmentation, dark spots, and melasma over several weeks of consistent use, and it features in clinical brightening regimens alongside ingredients like kojic acid. European safety reviewers consider it safe in facial products up to 2%, which is the common and effective concentration for over-the-counter brighteners. It tends to be well tolerated, making it suitable for sensitive skin seeking a more even tone.
When to take it
Can be used morning and evening on clean skin before moisturizer. Daily sunscreen is essential, since unprotected sun exposure undoes pigment-fading progress.
Side effects
Alpha arbutin is generally well tolerated, with occasional mild irritation or dryness. As with any brightening agent, results require patience and daily sun protection to avoid re-darkening.
Sources
Products containing Alpha Arbutin
No products in our database contain this ingredient yet.