PhytoCide Aspen Bark Extract Powder is a water-soluble botanical ingredient rich in natural salicylates. Using a proprietary aqueous extraction method, the bark’s natural defense mechanisms are isolated and standardized, resulting in a potent powder that provides both preservation support and skin-conditioning benefits.
Key Features & Technical Benefits
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High Standardized Salicylate Content: Contains natural salicylates, providing significant antimicrobial activity and gentle exfoliating properties.
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Multifunctional Efficacy:
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Natural Exfoliant: Ideal for “skin smoothing” and cell renewal claims without the use of synthetic BHA.
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Preservation Contributor: Enhances the antimicrobial robustness of aqueous systems.
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Skin Feel: Imparts a smooth, silky after-feel unlike many synthetic acids that can feel tacky.
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Formulation & Regulatory Guidelines
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Regulatory Compliance: Due to the high salicylate content, formulators must strictly adhere to EU Annex III (entry 98) and Annex V (entry 3).
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Limit of 0.5% (as acid) for preservative use.
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Up to 2.0% for non-preservative use (3.0% in rinse-off hair products).
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Prohibition: Not for use in products for children under 3 years old or in specific leave-on color cosmetics/deodorants.
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Solubility: Fully water-soluble; can be added to the water phase of emulsions or aqueous serums.
