++++

[ DemythSkin Verdict ]

Isntree Hyper Retinol EX 1.0 Serum

SerumAnti-aging, fine lines, wrinkles, barrier repair

Efficacy

Strong

4.0 / 5.0

Safety

Excellent

4.8 / 5.0

System Verdict

Solid beginner retinol serum with excellent barrier support, but ultra-low 0.1% retinol concentration severely limits anti-aging efficacy. Efficacy score of 4.0 reflects weak pure retinol (0.1% is sub-clinical for wrinkles; needs 0.3-1% for results) padded by 0.6% bakuchiol (retinol mimic), 0.3% inferior retinyl palmitate, mid-list niacinamide (~3-5%), low-position peptides/ceramides (trace but effective), and ferulic/Vit E synergy; no pH data but encapsulated delivery likely stabilizes.

Active Ingredients Detected

S Tier: Gold StandardsHigh Clinical Proof | Skin-Transformative

Retinol

A Tier: Good BasicsProven Results

WaterGlycerinNiacinamideCaprylic/Capric TriglycerideHydrogenated LecithinBetaineTocopherolAllantoinPanthenolAdenosineCeramide NPAsiaticosideMadecassic AcidAsiatic AcidCeramide NSCholesterolPhytosphingosineFerulic AcidCeramide ASCeramide APCeramide EOP

B Tier: Supporting IngredientsPromising Ingredients

Butylene GlycolDibutyl AdipateBakuchiolAmmonium Acryloyldimethyltaurate/VP Copolymer1,2-HexanediolHydroxyacetophenoneRetinyl PalmitateSodium Stearoyl GlutamatePolysorbate 20Cetearyl AlcoholDisodium EDTAStearic AcidDipropylene GlycolHydroxypropyl CyclodextrinPolydextroseCopper Tripeptide-1Acetyl Hexapeptide-8Palmitoyl Pentapeptide-4Palmitoyl Tetrapeptide-7Palmitoyl Tripeptide-1

What Each Ingredient Does

Water: Solvent base
Butylene Glycol: Humectant solvent
Glycerin: Humectant hydrator
Niacinamide: Brightening barrier support
Dibutyl Adipate: Emollient texture enhancer
Caprylic/Capric Triglyceride: Emollient masking
Bakuchiol: Retinol alternative 0.6%
Ammonium Acryloyldimethyltaurate/VP Copolymer: Thickener stabilizer
1,2-Hexanediol: Preservative solvent
Hydrogenated Lecithin: Emulsifier liposome former
Betaine: Humectant osmoprotectant
Hydroxyacetophenone: Antioxidant preservative
Retinyl Palmitate: Weak retinoid 0.3%
Sodium Stearoyl Glutamate: Emulsifier cleanser
Tocopherol: Vitamin E antioxidant
Retinol: Active retinoid 0.1%
Allantoin: Soothing skin conditioner
Panthenol: Humectant soother
Polysorbate 20: Emulsifier solubilizer
Adenosine: Anti-wrinkle agent
Cetearyl Alcohol: Emollient thickener
Disodium EDTA: Chelating agent
Stearic Acid: Emulsifier thickener
Dipropylene Glycol: Solvent humectant

Full Ingredient List (INCI)

Water, Butylene Glycol, Glycerin, Niacinamide, Dibutyl Adipate, Caprylic/Capric Triglyceride, Bakuchiol 0.6%, Ammonium Acryloyldimethyltaurate/Vp Copolymer, 1,2-Hexanediol, Hydrogenated Lecithin, Betaine, Hydroxyacetophenone, Retinyl Palmitate 0.3%, Sodium Stearoyl Glutamate, Tocopherol, Retinol 0.1%, Allantoin, Panthenol, Polysorbate 20, Adenosine, Cetearyl Alcohol, Disodium EDTA, Stearic Acid, Dipropylene Glycol, Hydroxypropyl Cyclodextrin, Polydextrose, Ceramide NP, Asiaticoside, Madecassic Acid, Asiatic Acid, Ceramide NS, Cholesterol, Phytosphingosine, Ferulic Acid, Ceramide AS, Ceramide AP, Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Pentapeptide-4, Palmitoyl Tetrapeptide-7, Palmitoyl Tripeptide-1, Ceramide EOP

Frequently Asked

Is Isntree Hyper Retinol EX 1.0 Serum worth it?

Isntree Hyper Retinol EX 1.0 Serum scores 4.0 out of 5.0 for efficacy (Strong) and 4.8 out of 5.0 for safety (Excellent) on DemythSkin's independent ingredient analysis. Solid beginner retinol serum with excellent barrier support, but ultra-low 0.1% retinol concentration severely limits anti-aging efficacy. Efficacy score of 4.0 reflects weak pure retinol (0.1% is sub-clinical for wrinkl

What are the key active ingredients in Isntree Hyper Retinol EX 1.0 Serum?

Isntree Hyper Retinol EX 1.0 Serum contains these gold-standard actives with strong clinical evidence: Retinol.

Does Isntree Hyper Retinol EX 1.0 Serum contain fragrance or known irritants?

DemythSkin's analysis found no flagged irritants in Isntree Hyper Retinol EX 1.0 Serum. It scores 4.8 out of 5.0 for safety.

How is Isntree Hyper Retinol EX 1.0 Serum scored?

DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.

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Analysis last updated: 2026-04-29. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score. DemythSkin earns commission from affiliate links (Amazon Associates and others). Scores are computed before any commercial relationship — the link follows the verdict, never the other way around.