Rosmarinus Officinale Leaf Extract ●
TL;DR. This ingredient is primarily used as an antioxidant botanical extract, helping slow oxidation in oils, fragrances, and finished formulas. It can also support skin-conditioning or soothing positioning depending on the extract composition.
What does Rosmarinus Officinale Leaf Extract do in a cosmetic formula?
This ingredient is primarily used as an antioxidant botanical extract, helping slow oxidation in oils, fragrances, and finished formulas. It can also support skin-conditioning or soothing positioning depending on the extract composition.
Is Rosmarinus Officinale Leaf Extract clean?
It generally has good standing in clean beauty because it is a familiar plant-derived extract used at low levels. Its aromatic constituents can be sensitizing for some users, especially in leave-on products or formulas positioned for very reactive skin.
Is Rosmarinus Officinale Leaf Extract sustainable?
It is plant-derived, with impacts tied to farming practices, irrigation, drying, and extraction solvent choice. It is expected to be biodegradable, and water, ethanol, glycerin, or oil-based extracts align better than solvent-intensive versions.
Is Rosmarinus Officinale Leaf Extract COSMOS-approved?
It is generally permitted under COSMOS-natural and COSMOS-organic when made from approved agricultural feedstocks and allowed extraction solvents. It fits Green Chemistry best when sourced renewably, extracted with benign solvents, and supplied without unnecessary petrochemical carriers.
How does Rosmarinus Officinale Leaf Extract work chemically?
This material is a complex mixture of phenolic diterpenes, phenolic acids, flavonoids, and volatile aromatic compounds, with composition varying by plant source and extraction method. It is typically used at low percentages as an antioxidant or botanical active, and formulators manage odor, color, oxidation state, and compatibility with emulsions or oil phases.
Last updated 2026-05-13