Medicube Triple Collagen Serum 4.0 — Efficacy 4.1/5.0, Safety 3.3/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
Medicube Triple Collagen Serum 4.0
Medicube

Medicube Triple Collagen Serum 4.0

SerumHydration
Efficacy
Strong
4.1 / 5.0
Safety
Caution
3.3 / 5.0
System Verdict
Mostly a hydration-and-glow serum, not a collagen powerhouse. The efficacy score is driven by a solid humectant base (glycerin, butylene glycol, glycereth-26, trehalose, and multiple hyaluronic acid forms) plus a meaningful niacinamide position, while adenosine adds a modest anti-wrinkle bonus. The score is pulled down by alcohol denat. fairly high in the list, the heavy fragrance load, and the fact that the many collagen ingredients are mostly marketing framing rather than strong evidence-based topical drivers; the formula is good at plumping and smoothing, but not a high-confidence treatment serum.
Active Ingredients Detected
A Tier: Good BasicsProven Results
GlycerinNiacinamideTrehaloseAdenosineSodium HyaluronateHyaluronic AcidSodium Hyaluronate CrosspolymerHydrolyzed Sodium HyaluronateHydrolyzed Hyaluronic AcidSodium Acetylated HyaluronateHydroxypropyltrimonium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
Glycereth-26
C Tier: Marketing IdolsHype | Limited or Weak Data
Collagen ExtractAtelocollagenDesamido CollagenHydrolyzed CollagenSoluble CollagenCollagenCollagen Amino AcidsProcollagen
D Tier: Potential IrritantsBe Cautious
Alcohol Denat.FragranceBenzyl BenzoateLinaloolLimoneneGeraniolCitronellolHydroxycitronellalCitral
What Each Ingredient Does
Water (Aqua)
solvent base
Glycerin
humectant
Butylene Glycol
humectant solvent
Cetyl Ethylhexanoate
emollient
Niacinamide
tone-support active
Glycereth-26
humectant
Alcohol Denat.
solvent
1,2-Hexanediol
solvent preservative booster
Cyclopentasiloxane
slip agent
Cyclohexasiloxane
slip agent
Trehalose
humectant sugar
Dimethicone
skin protectant
Carbomer
thickener
Cetearyl Olivate
emulsifier
Tromethamine
pH adjuster
Sorbitan Olivate
emulsifier
Ethylhexylglycerin
preservative booster
Collagen Extract
film-forming protein
Fragrance
fragrance
Adenosine
anti-wrinkle active
Disodium EDTA
chelator
Benzyl Benzoate
fragrance component
Linalool
fragrance allergen
Limonene
fragrance allergen
Full Ingredient List (INCI)

Water (Aqua), Glycerin, Butylene Glycol, Cetyl Ethylhexanoate, Niacinamide, Glycereth-26, Alcohol Denat., 1,2-Hexanediol, Cyclopentasiloxane, Cyclohexasiloxane, Trehalose, Dimethicone, Carbomer, Cetearyl Olivate, Tromethamine, Sorbitan Olivate, Ethylhexylglycerin, Collagen Extract, Fragrance, Adenosine, Disodium EDTA, Benzyl Benzoate, Linalool, Limonene, Geraniol, Atelocollagen, Desamido Collagen, Citronellol, Hydrolyzed Collagen, Sodium Hyaluronate, Soluble Collagen, Hyaluronic Acid, Hydroxycitronellal, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Collagen, Collagen Amino Acids, Sodium Acetylated Hyaluronate, Procollagen, Hydroxypropyltrimonium Hyaluronate, Citral, Benzyl Alcohol

Frequently Asked

Is Medicube Triple Collagen Serum 4.0 worth it?

Medicube Triple Collagen Serum 4.0 scores 4.1 out of 5.0 for efficacy (Strong) and 3.3 out of 5.0 for safety (Caution) on DemythSkin's independent ingredient analysis. Mostly a hydration-and-glow serum, not a collagen powerhouse. The efficacy score is driven by a solid humectant base (glycerin, butylene glycol, glycereth-26, trehalose, and multiple hyaluronic acid forms) plus a meaning

What are the key active ingredients in Medicube Triple Collagen Serum 4.0?

Medicube Triple Collagen Serum 4.0 contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does Medicube Triple Collagen Serum 4.0 contain fragrance or known irritants?

DemythSkin flags these ingredients in Medicube Triple Collagen Serum 4.0 as potential irritants: Alcohol Denat., Fragrance, Benzyl Benzoate, Linalool, Limonene, Geraniol, Citronellol, Hydroxycitronellal, Citral. This product does contain fragrance.

How is Medicube Triple Collagen Serum 4.0 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.

Analyze on DemythSkin →

Analysis last updated: 2026-09-03. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.