And Rosmarinus Officinalis Leaf Extract\ ●
TL;DR. This ingredient is primarily a botanical antioxidant and skin-conditioning agent, used to help protect oil phases from oxidation and support a formula’s overall stability.
What does And Rosmarinus Officinalis Leaf Extract\ do in a cosmetic formula?
This ingredient is primarily a botanical antioxidant and skin-conditioning agent, used to help protect oil phases from oxidation and support a formula’s overall stability.
Is And Rosmarinus Officinalis Leaf Extract\ clean?
From a clean-beauty perspective, it is generally well accepted and not a common restricted-list ingredient. Like many aromatic plant extracts, it can contribute fragrance allergens or irritation for very reactive skin, depending on extraction type and concentration.
Is And Rosmarinus Officinalis Leaf Extract\ sustainable?
It is plant-derived, renewable, and expected to biodegrade rather than persist. Sustainability depends on farming practices, solvent choice, and extract standardization, with water, ethanol, glycerin, or vegetable oil extraction generally fitting cleaner supply chains.
Is And Rosmarinus Officinalis Leaf Extract\ COSMOS-approved?
It is permitted under COSMOS-natural and COSMOS-organic when the plant source, extraction solvent, and processing aids comply with the standard. It aligns well with Green Chemistry when made from renewable biomass using biodegradable solvent systems and limited processing.
How does And Rosmarinus Officinalis Leaf Extract\ work chemically?
This material is a complex mixture of phenolic diterpenes, phenolic acids, flavonoids, and trace volatile constituents, with carnosic acid and carnosol often contributing antioxidant activity. Typical cosmetic use is roughly 0.05 to 1% for antioxidant or skin-conditioning support, and it is best protected from high heat, strong light, and highly alkaline pH in finished formulas.
Last updated 2026-05-14