humectant
Ectoin
Also sold as Ectoine
Ectoin appears in 2 products in this index, 1 of which publish a strength — the highest is 7% in Paula's Choice 7% Ectoin Booster. It works between pH 4 and 8.
Mechanism
An extremophile-derived osmolyte forming a hydration shell around cell membranes and proteins; reduces transepidermal water loss and UV-induced inflammatory signalling.
Products containing it
sorted by published strength| Product | Size | Strength | Best price | Per ml of active |
|---|---|---|---|---|
7% Ectoin Booster Paula's Choice | 30 ml | 7% | awaiting retailer | — |
 Ectoin Hydro-Barrier Serum The Inkey List | 30 ml | unstated | $17.00 | — |
Cost per active is price divided by the volume of pure active in the bottle. It appears once retailer prices are being tracked, and only for products whose strength the maker publishes.