ROSMARINUS OFFICINALIS LEAF EXTRACT

TL;DR. This ingredient is used mainly as an antioxidant and skin-conditioning botanical. In formulas, it helps protect oils and other oxidation-prone components while adding a mild soothing profile.

What does ROSMARINUS OFFICINALIS LEAF EXTRACT do in a cosmetic formula?

This ingredient is used mainly as an antioxidant and skin-conditioning botanical. In formulas, it helps protect oils and other oxidation-prone components while adding a mild soothing profile.

Is ROSMARINUS OFFICINALIS LEAF EXTRACT clean?

It is generally well accepted in clean-beauty frameworks and is not a typical restricted-list material. The main nuance is botanical variability, since aromatic fractions can carry naturally occurring fragrance allergens for very sensitive users.

Is ROSMARINUS OFFICINALIS LEAF EXTRACT sustainable?

This material is plant-derived and generally biodegradable. Its sustainability profile depends on agricultural practices, extraction solvent choice, and supplier controls for pesticide residues and trace contaminants.

Is ROSMARINUS OFFICINALIS LEAF EXTRACT COSMOS-approved?

It is permitted under COSMOS-natural and COSMOS-organic when sourced and processed with approved methods and solvents, with organic status depending on certified organic agricultural input. It fits Green Chemistry principles best when made with water, ethanol, glycerin, vegetable oil, or carbon dioxide extraction and minimal purification burden.

How does ROSMARINUS OFFICINALIS LEAF EXTRACT work chemically?

This material is a complex plant extract containing phenolic diterpenes, flavonoids, tannins, and small aromatic fractions, with composition varying by cultivar and extraction method. It is typically used at low levels as an antioxidant or skin-conditioning additive, and oil-soluble grades are often paired with oxidation-prone lipids while water-glycol grades are easier to place in aqueous phases.

Last updated 2026-05-13