Romarinus Officinalis Leaf Extract

TL;DR. This ingredient is used mainly as a botanical antioxidant and skin-conditioning extract, helping protect oils and formulas from oxidative rancidity while adding plant-derived actives. It can also support soothing-positioned products, depending on extract type and concentration.

What does Romarinus Officinalis Leaf Extract do in a cosmetic formula?

This ingredient is used mainly as a botanical antioxidant and skin-conditioning extract, helping protect oils and formulas from oxidative rancidity while adding plant-derived actives. It can also support soothing-positioned products, depending on extract type and concentration.

Is Romarinus Officinalis Leaf Extract clean?

From a clean-beauty perspective, this ingredient is generally well accepted and not a common restricted-list concern. Very concentrated or essential-oil-rich versions can contain fragrant terpenes that may be sensitizing for some users, so context and dosage matter.

Is Romarinus Officinalis Leaf Extract sustainable?

This material is plant-derived, renewable, and generally biodegradable. Its sustainability profile is strongest when sourced from responsibly grown leaves and extracted with water, glycerin, ethanol, or other lower-impact solvents.

Is Romarinus Officinalis Leaf Extract COSMOS-approved?

It is generally permitted in COSMOS-natural and COSMOS-organic formulations when made with approved extraction methods, allowed solvents, and compliant preservation systems. It fits Green Chemistry reasonably well because it can come from renewable biomass and low-residue extraction processes.

How does Romarinus Officinalis Leaf Extract work chemically?

The molecule profile is a complex botanical mixture that can include phenolic acids, flavonoids, and lipid-soluble diterpenes responsible for antioxidant behavior. Typical cosmetic use is often around 0.01% to 1%, with stability depending on solvent system, light exposure, metal ions, and the specific ratio of water-soluble to oil-soluble constituents.

Last updated 2026-05-13