Alpha Arbutin 2% + HA
Reviewed by SerumTruth Editorial · Updated July 2026
A cheap, well-tolerated way to work a disclosed brightening active into a routine. Arbutin is gentle and slow, so this is a patience play, not an overnight change. At this price, with the percentage stated, it is easy value for the appearance of a more even tone.
- Evidence21 / 30
Strength of the research behind the key actives
- Alpha Arbutin: moderate evidence
- Hyaluronic Acid: moderate evidence
- Score is the average of the key actives’ evidence grades.
- Potency24 / 25
Dosed at studied levels, not fairy-dusted
- Alpha Arbutin (2%): dosed at a clinical, high-end level for its category
- Hyaluronic Acid: dosed at a studied level
- Potency tracks how strongly the actives are dosed, led by the strongest, not how many there are.
- Delivery & stability14 / 20
Delivery tech + packaging that protects fragile actives
- Delivery: standard
- Packaging: clear dropper
- No fragile actives here, so packaging barely moves the score.
- Formulation5 / 10
Disclosure, active breadth, and ingredient generation
- 1 of 2 actives disclose a concentration
- 2 key actives (breadth credit caps at 3)
- Current-generation or synergistic: Alpha Arbutin
- Value15 / 15
What a month of use costs vs. the category
- About $7 per month to use
- $11.5 for 30 ml, used about twice a day (about 0.3 ml each time), so a bottle lasts about 1.7 months
- Band: $6/month or less earns full marks, $60/month or more hits the floor.
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What’s inside
| Active | Disclosed | Dose |
|---|---|---|
| Alpha Arbutin | 2% | Clinical |
| Hyaluronic Acid | n/a | Studied |
2% alpha arbutin, disclosed, over hyaluronic acid for slip, in a clear glass dropper. Arbutin is a gentle, stable brightening ingredient studied for the appearance of an even tone and reduced dark spots, and 2% is a sensible working level. The HA is a texture and hydration support rather than a second active. Neither ingredient is fragile.
How it’s delivered
Air- and light-sensitive actives (vitamin C, copper peptides) lose potency fast in the wrong packaging, so delivery and the bottle are scored, not just what’s on the label.
The actives, explained
Cosmetic information for general education, not medical advice. The SerumProof score reflects our reading of publicly available research and formulation disclosures. See how scoring works.