Product: Rosemary Extract
Rchem Rosemary Extract is a high-purity, natural antioxidant and preservative booster derived from the leaves of Rosmarinus officinalis, presented as a clear to pale yellow or brownish-yellow liquid (or as an off-white to brownish powder). This versatile botanical extract is rich in bioactive compounds including carnosic acid, rosmarinic acid, and carnosol, which are renowned for their exceptional antioxidant, antimicrobial, and anti-inflammatory properties. It is a cornerstone ingredient in natural cosmetic, food, and personal care formulations for preventing oxidative rancidity, extending shelf life, and providing skin and hair benefits.
Category: powder
Description
Key Features & Benefits:
● Excellent natural thickening agent with high viscosity at low concentrations
● Effective stabilizer for emulsions and suspensions in various formulations
● Clean-label ingredient suitable for organic and natural product formulations
● Improves texture and shelf life in food products
● Enhances viscosity and stability in cosmetic formulations
● Cost-effective alternative to synthetic thickeners and stabilizers
Technical Specifications Table:
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VEGAN SUITABLE
Chemical Formulae
Frequently Asked Questions:
What is the primary function of Rosemary Extract in cosmetic formulations?
Its primary function is as a natural antioxidant. It is exceptionally effective at preventing the oxidation (rancidity) of oils, butters, and other lipid-soluble ingredients in a formulation. This extends the shelf life of the product, prevents off-odors and discoloration, and protects the skin from free radical damage when applied.
Generally, no. Rosemary Extract acts as an antioxidant and preservative booster, not a broad-spectrum preservative. While it does exhibit some antimicrobial activity, it cannot completely replace a full preservative system (which must protect against bacteria, yeast, and mold in the water phase). However, it can significantly reduce the required concentration of synthetic preservatives and is an essential component of "preservative-free" or self-preserving natural systems when combined with other synergistic ingredients.
Can Rosemary Extract replace synthetic preservatives entirely?
Oil-soluble Rosemary Extract is standardized for carnosic acid and carnosol, the primary antioxidants that protect oils and lipid phases. It is ideal for anhydrous systems (balms, oils, butters) and the oil phase of emulsions. Water-soluble Rosemary Extract is typically standardized for rosmarinic acid and is solubilized in glycols or glycerin for use in the water phase of formulations, providing antioxidant protection to water-soluble ingredients.
What is the difference between oil-soluble and water-soluble Rosemary Extract?
When used topically in cosmetic concentrations (typically 0.05% - 1.0%), Rosemary Extract is generally considered safe. However, pure rosemary essential oil in high concentrations is contraindicated during pregnancy. As with any botanical, we recommend consulting with a healthcare professional and conducting appropriate safety testing for products intended for use during pregnancy.
Is Rosemary Extract safe for use during pregnancy?
Store in a cool, dry place away from direct light and heat. For oil-soluble versions, ensure containers are tightly sealed to prevent oxidation. For liquid extracts, avoid freezing. Standard personal protective equipment (PPE) including gloves is recommended. Always refer to the Safety Data Sheet (SDS) for comprehensive handling and safety information.
