Carnosic Acid

Product Description

Carnosic Acid, the primary active molecule in our Rosemary Leaf Extract, is a superior, oil-soluble antioxidant that offers powerful dual protection for both the skin and the formulation itself. This potent diterpene phenol is a cornerstone of natural preservation and "clean beauty" trends. Its key advantage is its exceptional ability to inhibit lipid peroxidation, which not only protects skin cells from oxidative stress but also prevents the oils and butters in a product from turning rancid. For formulators seeking a natural, highly effective solution to both protect the skin and preserve the integrity of their oil-based products, Carnosic Acid is the definitive choice.

Product Uses

This powerful botanical antioxidant is essential for a wide range of anhydrous and emulsion-based products:

• Skincare: Ideal for facial oils, anhydrous balms, and rich creams containing delicate, unsaturated plant oils, where it acts as both a skin active and a formula stabilizer.
• Sun Care: Helps to protect both the skin and the UV filters from oxidative degradation.
• Color Cosmetics: Used in lipsticks, oil-based foundations, and balms to protect the lipid components and maintain product freshness.

Formulation Suggestions

The recommended dosage is between 0.02-0.5%, depending on the purity of the extract and the amount of oil in the formula. As an oil-soluble ingredient, it should be dissolved into the oil phase of a formulation, preferably with gentle heating to ensure complete dissolution. It is highly effective, even at low concentrations, for stabilizing the entire oil phase. It works synergistically with other antioxidants like Tocopherol (Vitamin E) to provide a comprehensive antioxidant network.

Our advice is for reference only. Please follow the recommendations of your formulator for actual production.

Product Specification

• INCI Name: Rosmarinus Officinalis (Rosemary) Leaf Extract
• Synonyms: Carnosic Acid, Rosemary Antioxidant
• CAS No.: 3650-09-7 (for Carnosic Acid)
• Molecular Formula: C₂₀H₂₈O₄
• Appearance: Yellow to brown powder or oil
• Purity: Available in various standardized grades, e.g., 5%-98% Carnosic Acid content.
• Solubility: Soluble in oils and ethanol. Insoluble in water.
• Stability: Excellent heat stability. Protect from light in formulations.
• Properties: A potent, oil-soluble botanical antioxidant. It effectively protects the skin from free radical damage and has anti-inflammatory properties. Crucially, it also acts as a powerful formulation antioxidant, protecting oils and lipids from rancidity, thereby extending product shelf life.
• Origin: China