Rosmarinus Officinalis Flower/Leaf/Stem Extract

TL;DR. This ingredient is primarily a botanical antioxidant and skin-conditioning extract. In formulas, it helps support oxidative stability and adds plant-derived soothing and toning claims.

What does Rosmarinus Officinalis Flower/Leaf/Stem Extract do in a cosmetic formula?

This ingredient is primarily a botanical antioxidant and skin-conditioning extract. In formulas, it helps support oxidative stability and adds plant-derived soothing and toning claims.

Is Rosmarinus Officinalis Flower/Leaf/Stem Extract clean?

From a clean-beauty perspective, this ingredient is generally well accepted and not a common restricted-list issue. Like many aromatic botanical extracts, it can be sensitizing for some users depending on concentration, solvent system, and trace fragrance constituents.

Is Rosmarinus Officinalis Flower/Leaf/Stem Extract sustainable?

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

Is Rosmarinus Officinalis Flower/Leaf/Stem Extract COSMOS-approved?

It is permitted under COSMOS-natural and can fit COSMOS-organic when the agricultural feedstock and extraction process meet the standard. It aligns well with Green Chemistry when made with renewable plant material, benign extraction solvents, and minimal processing.

How does Rosmarinus Officinalis Flower/Leaf/Stem Extract work chemically?

This extract is a complex mixture of polyphenols, flavonoids, phenolic acids, and diterpenoid antioxidants, with composition shaped by plant part, harvest conditions, and extraction solvent. Typical use levels are often around 0.1% to 2%, and formulators watch for color shift, odor contribution, and oxidation of the botanical fraction over time.

Last updated 2026-05-16