Ectoin: What is this ingredient?
Osmolyte ingredient used to help skin retain water and defend against environmental stress.
Ectoin
One-line definition
Osmolyte ingredient used to help skin retain water and defend against environmental stress.
Key functions
Osmolyte ingredient used to help skin retain water and defend against environmental stress.
Barrier Support, Soothing
Skin response can vary by skin type and formula, so patch testing is recommended for sensitive skin.

Centellian24
skin-care

Trend Report • 2026-04-08