Ingredient · INCI listed
Ectoin
A bacteria-derived "extremolyte" that forms a protective hydration shell around skin cells, buffering against dryness, pollution, and UV stress. An emerging soothing-and-protecting active with encouraging early data.
Evidence — Promising
Data summary
Products containing
33
Most common in
10 products
serums
Typical pairing
Hyaluronic Acid
Evidence level
Promising. Clinical evidence for protection against UV-induced damage, pollution effects, and skin aging markers. Effective at 0.5-2%. Emerging as a signature ingredient in environmental-defense serums, particularly from European brands.
Verified reviewer
In the catalog
Ectoin by the numbers.
Ectoin appears in 33 products across the DermFND catalog, most often in serums (10 products) but also across sunscreens and moisturizers. Those products average a 77/100 formulation score — well above the catalog norm — topping out with Alpha-H Hyaluronic 8 Super Serum at 87/100.
16 formulas containing ectoin clear our 80/100 standout threshold. Its most frequent formulation partners are Hyaluronic Acid (13 shared formulas) and Niacinamide (12 shared formulas). The median price of a ectoin product here is $48.
Where it shows up
