Rosmarinus Officinalis Leaf Extract/Rosmarinus Officinalis Leaf Extract ●
TL;DR. This ingredient is used mainly as a botanical antioxidant and skin-conditioning extract. In formulas, it helps slow rancidity in oils and can add mild soothing or toning benefits depending on the extract type.
What does Rosmarinus Officinalis Leaf Extract/Rosmarinus Officinalis Leaf Extract do in a cosmetic formula?
This ingredient is used mainly as a botanical antioxidant and skin-conditioning extract. In formulas, it helps slow rancidity in oils and can add mild soothing or toning benefits depending on the extract type.
Is Rosmarinus Officinalis Leaf Extract/Rosmarinus Officinalis Leaf Extract clean?
This ingredient is generally accepted in clean-beauty frameworks and is not a common restricted-list concern. As with many aromatic botanicals, it can contain naturally occurring fragrance constituents, so very sensitive skin may react to higher levels.
Is Rosmarinus Officinalis Leaf Extract/Rosmarinus Officinalis Leaf Extract sustainable?
This material is plant-derived from a renewable it source and is generally expected to be biodegradable. Its sustainability profile depends on farming practices, extraction solvent, and whether the extract is supplied in water, glycerin, ethanol, or oil.
Is Rosmarinus Officinalis Leaf Extract/Rosmarinus Officinalis Leaf Extract COSMOS-approved?
It is permitted under COSMOS-natural and COSMOS-organic when made with allowed extraction methods and compliant solvents. It fits Green Chemistry well when sourced renewably and processed with lower-impact solvents such as water, ethanol, glycerin, or vegetable oil.
How does Rosmarinus Officinalis Leaf Extract/Rosmarinus Officinalis Leaf Extract work chemically?
The molecule profile is a mixture, commonly including phenolic diterpenes such as carnosic acid and carnosol, plus other plant polyphenols that can donate electrons and slow lipid oxidation. Typical use levels are often around 0.01% to 1%, with antioxidant grades used at the lower end, and formulators watch for color, odor, and compatibility with metals or highly oxidative systems.
Last updated 2026-05-14