Ectoin is a naturally occurring amino acid derivative produced by extremophile microorganisms as a protective mechanism against extreme environmental conditions. In cosmetics, it is a multifunctional active ingredient recognized for its moisturizing, protective, and anti-inflammatory properties, and is widely used in advanced skincare formulations.

Ectoin acts as a cellular osmoprotectant, stabilizing cell membranes, proteins, and DNA against external aggressors such as UV radiation, pollution, heat stress, and dehydration. Thanks to its unique molecular structure, it forms a "hydration layer" around biomolecules, improving cellular resistance and reinforcing the skin's barrier function.

This active ingredient is especially valued in formulations for sensitive skin, sun care products, anti-aging care and dermocosmetic cosmetics, where it helps to soothe the skin, reduce inflammation and improve long-term hydration.

INCI

Ectoin

Recommended usage level

0.1 – 5.0%

COSMOS approved

Yeah