Rosemarinus Officinalis\

TL;DR. This ingredient is used mainly as a botanical antioxidant and fragrance-support material, helping slow oxidation in oil-rich formulas while contributing an herbal scent profile.

What does Rosemarinus Officinalis\ do in a cosmetic formula?

This ingredient is used mainly as a botanical antioxidant and fragrance-support material, helping slow oxidation in oil-rich formulas while contributing an herbal scent profile.

Is Rosemarinus Officinalis\ clean?

It is broadly accepted in clean-beauty frameworks, especially when used as a simple plant extract or essential-oil-derived material. The main caveat is sensitization potential from aromatic constituents and oxidation byproducts, so finished formulas may need fragrance-allergen disclosure.

Is Rosemarinus Officinalis\ sustainable?

This material is plant-derived and renewable, and its organic constituents are generally biodegradable. Sustainability depends on agricultural practices, yield, and whether extraction uses steam, ethanol, glycerin, or other permitted processing aids.

Is Rosemarinus Officinalis\ COSMOS-approved?

It is permitted under COSMOS-natural and COSMOS-organic when obtained through allowed physical extraction, steam distillation, or approved solvents. It aligns well with Green Chemistry when sourced from responsibly grown biomass and processed with benign solvents such as ethanol, glycerin, or water.

How does Rosemarinus Officinalis\ work chemically?

This material is a complex botanical mixture that may contain phenolic antioxidants such as carnosic acid, carnosol, and rosmarinic acid, plus volatile terpenes when supplied as an aromatic fraction. Typical use is often around 0.05% to 1% for extracts and lower for concentrated aromatic fractions, with stability affected by light, oxygen, heat, and the carrier solvent.

Last updated 2026-05-13