Alpha Arbutin Powder for Cosmetic Formulation
Alpha Arbutin—listed by its INCI name Alpha-Arbutin—is a water-soluble cosmetic active used in formulations designed to improve the appearance of uneven skin tone, dark spots, post-blemish marks and dull-looking skin.
It works by helping to limit the activity of tyrosinase, an enzyme involved in the skin’s melanin-production pathway. This makes Alpha Arbutin a popular choice for targeted brightening and tone-support formulations.
JustGlow supplies cosmetic-grade Alpha Arbutin powder in small quantities for independent formulators, skincare businesses and product-development projects.
Alpha Arbutin at a Glance
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Product name: Alpha Arbutin Powder
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INCI name: Alpha-Arbutin
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CAS number: 84380-01-8
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EC number: 617-561-8
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Appearance: White to off-white powder
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Solubility: Water-soluble
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Purity specification: Minimum 99.5%
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Typical use level: Subject to product type, intended market and safety assessment
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EU maximum: 2% in face creams and 0.5% in body lotions
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Recommended phase: Cool-down phase
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Processing temperature: Below 40°C
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Suggested finished-product pH: 4.5–6.5
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Suitable for: Tone-support and targeted brightening formulations
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Batch-specific result: See the current Certificate of Analysis
Why Formulators Use Alpha Arbutin
Alpha Arbutin can help to:
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Improve the appearance of uneven skin tone
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Reduce the visible appearance of dark spots
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Support a brighter and more radiant-looking complexion
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Target the appearance of post-blemish marks
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Complement multi-active tone-support formulations
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Provide a water-soluble alternative to oil-soluble brightening actives
The suitability and performance of Alpha Arbutin depend on its concentration, the complete formulation, packaging, pH and storage conditions.
How to Use Alpha Arbutin
Alpha Arbutin is water-soluble and should be incorporated into the aqueous phase of a cosmetic formulation.
Pre-dissolve the powder in a small quantity of deionised water before adding it to the main batch. Add during cool-down at a temperature below 40°C and mix until completely dissolved.
Maintain the finished formulation at approximately pH 4.5–6.5 unless the technical documentation and safety assessment support a different range.
Avoid prolonged exposure to excessive heat and strongly acidic or alkaline conditions, as these may reduce stability.
Water-based formulations containing Alpha Arbutin require an appropriate preservation system. The finished product should undergo stability, compatibility and microbiological testing.
Suitable Product Types
Alpha Arbutin may be considered for:
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Facial creams targeting uneven skin tone
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Targeted dark-spot formulations
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Post-blemish tone-support products
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Lightweight facial emulsions
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Body lotions, subject to the applicable concentration limit
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Water-based serums and essences where permitted by target-market legislation and the finished-product safety assessment
Formulators intending to sell within the EU should note that current restrictions specifically list a maximum of 2% in face creams and 0.5% in body lotions.
Ingredients That Work Well with Alpha Arbutin
Alpha Arbutin can be considered alongside:
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Niacinamide
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Tranexamic Acid
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N-Acetyl Glucosamine
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Panthenol
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Hyaluronic Acid
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Glycerin
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Ectoine
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Compatible vitamin C derivatives
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Other water-soluble humectants and barrier-support ingredients
Compatibility must be evaluated in the complete formulation. Take particular care when combining Alpha Arbutin with ingredients requiring a very low formulation pH.
Storage and Handling
Store in the original sealed packaging at 0–30°C in a cool, dry and well-ventilated place. Protect from moisture, excessive heat and direct light.
Avoid creating or inhaling airborne powder. Wear appropriate gloves and eye protection when handling larger quantities.
This is a concentrated cosmetic raw material and should not be applied directly to the skin.
Regulatory and Formulation Notice
Under current EU cosmetic regulations, Alpha-Arbutin is permitted at a maximum concentration of:
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2% in face creams
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0.5% in body lotions
Hydroquinone levels in finished products containing Alpha-Arbutin must remain as low as possible and must not exceed unavoidable trace levels.
Requirements may differ between Great Britain, the EU and other markets. The formulator is responsible for confirming current legal requirements and obtaining an appropriate finished-product safety assessment.
Frequently Asked Questions
Is Alpha Arbutin the same as Arbutin?
No. Alpha-Arbutin and beta-arbutin—usually listed simply as Arbutin—are related but distinct ingredients. They have different regulatory concentration limits and should not be treated as interchangeable.
Is Alpha Arbutin water-soluble?
Yes. Alpha Arbutin dissolves in water and is suitable for water-based cosmetic formulations.
When should Alpha Arbutin be added?
It is best added during the cool-down phase below 40°C. Pre-dissolve it in deionised water before adding it to the main formulation.
What pH is recommended?
A finished-product pH of approximately 4.5–6.5 is a practical formulation target. Stability must be confirmed in the complete finished product.
Can Alpha Arbutin be applied directly to the skin?
No. It is a concentrated cosmetic raw material and must be incorporated into a properly formulated, preserved and safety-assessed cosmetic product.
Is Alpha Arbutin a preservative?
No. Alpha Arbutin is a cosmetic active. Water-based products containing it still require an appropriate preservation system.
Is Alpha Arbutin naturally derived from bearberry?
The source and manufacturing method depend on the supplier. Alpha Arbutin should not automatically be described as bearberry-derived unless this is confirmed by the product’s technical documentation.
Technical Documents
Please contact info@justglow.co.uk if you require documentation for a particular batch.