Alpha Arbutin is a popular brightening active used to support the look of more even skin tone and reduce the appearance of dark spots.
It is a strong fit for daily use brightening routines and works well in lightweight serums, hydrating toners, and moisturisers.
Alpha arbutin performs best when pH is controlled, and processing is gentle, because harsh heat and extreme pH can reduce long term performance.
FEATURES
- Targets uneven tone – supports reduction in the look of dark spots and discolouration.
- Daily use friendly – fits gentle brightening routines with good comfort.
- Water soluble – easy to use in toners, gels, and serums.
- Pairs well – works nicely with niacinamide, tranexamic acid, and calm hydration systems.
BEST FOR
- Brightening serums
- Even tone moisturisers
- Hydrating toners
- Water gels
- Spot corrector routines
FORMULATION GUIDELINES
| INCI | Alpha-Arbutin |
|---|---|
| Type | Brightening active (water soluble) |
| Solubility | Water soluble |
| Use Rate | 0.5–2.0% typical. 1–2% is a common sweet spot for brightening serums and moisturisers. |
| pH Compatibility | We recommend finished product pH 4.8–6.5 for best stability and performance. |
| Temperature Tolerance | We recommend adding in cool down (below 40°C) or using minimal heat during dissolution. |
| Pro Tip | Dissolve alpha arbutin completely in the water phase before adding polymers or salts. Keep pH controlled and avoid very acidic systems, because extreme pH can reduce long term performance. For a stronger brightening concept, pair with tranexamic acid and barrier supportive soothing helpers for better comfort. |
| Appearance | White crystalline powder |
| Stability Notes | Performance depends on pH control, heat exposure, and total formula design. Run stability testing across temperature cycles to confirm no colour shift or potency loss. |
| Storage | Keep sealed, cool and dry. Protect from humidity and direct sunlight. |
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