Beta Arbutin is a widely used skin-brightening cosmetic active ingredient known for helping to improve uneven skin tone, reduce the appearance of dark spots, and support a clearer, more radiant complexion. It works primarily by inhibiting tyrosinase activity, an enzyme involved in melanin production, thereby helping to control excess pigmentation.
Beta Arbutin is valued in cosmetic formulations for its water solubility, good stability, and gentler action compared to free hydroquinone when used within recommended limits.
Chemical & Identification Details
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INCI Name: Arbutin
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CAS Number: 497-76-7
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Chemical Formula: C₁₂H₁₆O₇
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Molecular Weight: 272.25 g/mol
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Chemical Name: Hydroquinone-β-D-glucopyranoside
Physical Properties
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Appearance: White to off-white crystalline powder
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Odor: Odorless
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Solubility: Soluble in water
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pH Stability Range: Typically stable between pH 5.0–7.0
Functions & Benefits
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Skin Brightening: Helps reduce melanin formation for a brighter appearance
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Even Skin Tone: Supports reduction of dark spots and hyperpigmentation
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Gentle Action: Considered milder than hydroquinone in cosmetic use
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Formulation Friendly: Easy to incorporate into water-based systems
Applications
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Skin-brightening creams and serums
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Lotions and emulsions
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Spot-correcting and pigmentation-control products
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Daily skincare and cosmetic formulations
Regulatory & Safety Notes
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Commonly used in cosmetic products worldwide within permitted concentration limits
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Intended for topical cosmetic use only
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Suitable for a wide range of skin-care formulations when properly formulated
Summary
Beta Arbutin is a trusted cosmetic brightening active that helps improve skin clarity and tone while offering good solubility and formulation flexibility. Its effectiveness and compatibility make it a popular choice for skincare products targeting pigmentation and uneven complexion.
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