The INKEY List Ectoin Hydro-Barrier Serum — Efficacy 4.3/5.0, Safety 4.6/5.0 | DemythSkin
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[ DemythSkin Verdict ]
The INKEY List Ectoin Hydro-Barrier Serum

The INKEY List Ectoin Hydro-Barrier Serum

SerumBarrier Repair
Efficacy
Strong
4.3 / 5.0
Safety
Safe
4.6 / 5.0
System Verdict
Strong formula, but not a miracle serum: it is mainly a barrier-and-hydration workhorse. The Efficacy score is high because 2% ectoin, multiple hyaluronic acid forms, glycerin, panthenol, and a 3-ceramide barrier blend are all meaningful, well-aligned ingredients for hydration and barrier repair, and the formula does not rely on weak cosmetic fluff. It loses some points because this is not a true treatment serum for brightening or anti-aging, and several barrier lipids sit later in the INCI, so their concentration is likely supportive rather than dominant.
Active Ingredients Detected
A Tier: Good BasicsProven Results
WaterCaprylic/Capric TriglycerideEctoinHydrolyzed Sodium HyaluronateSodium HyaluronatePanthenolGlycerinLeuconostoc/Radish Root Ferment FiltrateSodium Hyaluronate CrosspolymerCeramide NPHyaluronic AcidCeramide APCholesterolPhytosphingosinePolyglycerin-3Ceramide EOP
B Tier: Supporting IngredientsPromising Ingredients
PropanediolCoconut AlkanesMaltodextrinPhenoxyethanolSodium Stearoyl GlutamateCetearyl AlcoholSclerotium GumXanthan GumGlyceryl StearateJojoba EstersCoco-Caprylate/CaprateSodium CitrateHelianthus Annuus (Sunflower) Seed WaxCitric AcidPolyglyceryl-10 StearateTriethyl CitratePentylene GlycolPolyglyceryl-6 BehenateBehenic AcidSodium LevulinatePotassium SorbateSodium Cetearyl Sulfate
C Tier: Marketing IdolsHype | Limited or Weak Data
Avena Sativa (Oat) Kernel Extract
D Tier: Potential IrritantsBe Cautious
Ethylhexylglycerin
Analyze on DemythSkin

DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.