What it is
Ectoin is an amino-acid-derived osmolyte produced by microorganisms that survive harsh, dry, salty environments. In skincare it acts as a water-binding, protective ingredient that helps cells hold moisture and resist environmental stress, and it is valued for soothing sensitive or stressed skin.
Safety & warnings
Considered very gentle and well tolerated, including by sensitive skin.
Origin & sourcing
Produced by fermentation using extremophile bacteria.
Questions everyone asks
What does ectoin do?
It binds water and helps protect skin cells from environmental stress, supporting hydration and comfort.
Where does ectoin come from?
It is made by fermentation using bacteria that live in extreme, dry environments.