Ectoin Hydro-Barrier Serum

Full ingredient list, decoded

40 ingredients, in label order (highest amount first; below about 1% the order is free).

1. 1Aqua (Water / Eau)
2. 2PropanediolPropanediol is a clear liquid that draws water toward the skin. Its jobs are as a…
3. 3Caprylic/Capric TriglycerideA light, plant-derived oil made from coconut or palm kernel fatty acids and glycerin.…
4. 4Coconut Alkanes
5. 5Ectoin
6. 6Hydrolyzed Sodium Hyaluronate
7. 7Sodium HyaluronateHyaluronic acid is a sugar-based molecule, naturally found in skin, that holds a lot of…
8. 8MaltodextrinMaltodextrin is a powdery, sugar-like starch fragment made by partly breaking down…
9. 9PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
10. 10Sodium Stearoyl GlutamateA mild emulsifier and cleansing agent made from a fatty acid and an amino acid. It…
11. 11PanthenolPanthenol is a form of vitamin B5 that the skin and hair convert to pantothenic acid.…
12. 12Cetearyl AlcoholA waxy fatty alcohol blend that thickens formulas and helps oil and water mix into…
13. 13Sclerotium GumSclerotium Gum is a thickening polymer made by fermenting a fungus. It gives creams and…
14. 14Xanthan GumXanthan Gum is a thickener and stabilizer made by fermenting sugar with a bacterium. It…
15. 15Glyceryl StearateGlyceryl stearate is a waxy blend of glycerin and stearic acid, a fatty acid from plant…
16. 16Jojoba EstersJojoba esters are a light, wax-like mix of long-chain fatty esters, derived from the…
17. 17Coco-Caprylate/CaprateA light, coconut-derived ester that softens skin and hair and helps other ingredients…
18. 18EthylhexylglycerinEthylhexylglycerin is a lab-made, skin-friendly ingredient that boosts the power of…
19. 19Sodium CitrateSodium Citrate is the sodium salt of citric acid, a mild, fruit-derived acid. It mainly…
20. 20Helianthus Annuus (Sunflower) Seed Wax
21. 21Citric AcidCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
22. 22Polyglyceryl-10 Stearate
23. 23Avena Sativa (Oat) Kernel ExtractA plant-derived ingredient made from the kernels of the oat seed. Its main job is to…
24. 24GlycerinGlycerin is a clear, thick, odorless liquid that pulls water into the skin and helps…
25. 25Leuconostoc/Radish Root Ferment FiltrateA liquid made by fermenting radish root with Leuconostoc bacteria, then filtering out…
26. 26Triethyl CitrateTriethyl Citrate is the ethyl ester of citric acid, a clear, oily liquid. It is mainly…
27. 27Pentylene GlycolPentylene Glycol is a small, multi-tasking liquid that attracts water to the skin and…
28. 28Polyglyceryl-6 Behenate
29. 29Sodium Hyaluronate CrosspolymerA crosslinked form of sodium hyaluronate, the salt of hyaluronic acid. Its main job is…
30. 30Ceramide NPCeramide NP is a skin-identical lipid, a fat naturally found in the outer skin layer.…
31. 31Hyaluronic AcidHyaluronic acid is a sugar-based molecule, naturally found in skin, that holds a lot of…
32. 32Ceramide APCeramide AP is a skin-identical lipid, a type of ceramide, whose main job is to help…
33. 33CholesterolCholesterol is a waxy, fat-like molecule that skin makes naturally, and in skincare it…
34. 34PhytosphingosinePhytosphingosine is a skin-identical building block for ceramides, the lipids that help…
35. 35Behenic Acid
36. 36Sodium LevulinateSodium Levulinate is the sodium salt of levulinic acid, a plant-derived ingredient. It…
37. 37Polyglycerin-3
38. 38Potassium SorbatePotassium sorbate is the potassium salt of sorbic acid, a mild preservative that helps…
39. 39Sodium Cetearyl SulfateA salt made from cetearyl alcohol, a blend of fatty alcohols, that helps water and oil…Sulfates
40. 40Ceramide EOPCeramide EOP is a skin-identical lipid, a fat that is naturally part of the outer layer…

Source: The Inkey List product page, uk.theinkeylist.com/products/ectoin-hydro-barrier-serum, retrieved November 5, 2026.

Every flag we check

Frequently asked questions