Glow Deep Serum: Rice + Alpha-Arbutin
Reviewed by SerumTruth Editorial · Updated July 2026
A likeable, cheap glow serum that pairs a hydrating rice base with a sensible 2% arbutin for the look of a more even tone. The rice evidence is limited and arbutin is slow, so treat it as a gentle brightener, not a corrector. For the money it is easy to like.
- Evidence17 / 30
Strength of the research behind the key actives
- Rice Extract (Rice Bran Water / Ferment): limited evidence
- Alpha Arbutin: moderate evidence
- Score is the average of the key actives’ evidence grades.
- Potency24 / 25
Dosed at studied levels, not fairy-dusted
- Rice Extract (Rice Bran Water / Ferment) (68%): dosed at a studied level
- Alpha Arbutin (2%): dosed at a clinical, high-end level for its category
- 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.
- Formulation9 / 10
Disclosure, active breadth, and ingredient generation
- 2 of 2 actives disclose a concentration
- 2 key actives (breadth credit caps at 3)
- Current-generation or synergistic: Rice Extract (Rice Bran Water / Ferment), Alpha Arbutin
- Value14 / 15
What a month of use costs vs. the category
- About $11 per month to use
- $18 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 |
|---|---|---|
| Rice Extract (Rice Bran Water / Ferment) | 68% | Studied |
| Alpha Arbutin | 2% | Clinical |
Rice bran water as the base, brand-stated at 68%, with alpha-arbutin the brand lists at 2%, plus glycerin, panthenol and trehalose for slip and hydration, in a frosted glass dropper. It is pitched at the appearance of a brighter, more even-looking complexion, the rice for glow and the arbutin doing the gentle tone work. Neither active 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.