Medicube Collagen Niacinamide Jelly Cream — Efficacy 3.6/5.0, Safety 4.2/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
Medicube Collagen Niacinamide Jelly Cream
Medicube

Medicube Collagen Niacinamide Jelly Cream

MoisturizerHydration
Efficacy
Basic
3.6 / 5.0
Safety
Mostly Safe
4.2 / 5.0
System Verdict
This is a cosmetically pleasing jelly moisturizer with real brightening and hydration but almost zero true collagen-based anti-aging beyond marketing hype. Niacinamide is the only well-supported treatment active in a meaningful position, backed by humectants (glycols, trehalose, glycerin, hyaluronic derivative) and light emollients like squalane for hydration and barrier support, while the multiple forms of collagen, elastin and Sodium DNA sit at low concentrations and function mainly as film-formers and branding rather than clinically proven firming agents; the jelly texture and pullulan deliver a temporary ‘tight’ glass-skin look, not structural collagen rebuilding, so efficacy is solid as a hydrating/brighting gel-cream but modest for anti-aging claims overall.
Active Ingredients Detected
A Tier: Good BasicsProven Results
NiacinamideTrehaloseAdenosineCyanocobalaminTocopherolGlycerinHydroxypropyltrimonium HyaluronateSqualane
B Tier: Supporting IngredientsPromising Ingredients
Diethoxyethyl SuccinateEthoxydiglycolGlucoseFructooligosaccharidesFructosePullulanSoluble Proteoglycan
C Tier: Marketing IdolsHype | Limited or Weak Data
Chlorella Vulgaris ExtractCollagenHydrolyzed CollagenCynanchum Atratum ExtractAlthaea Rosea Flower ExtractSoluble CollagenAllium Sativum (Garlic) Bulb ExtractAvena Sativa (Oat) Kernel ExtractBertholletia Excelsa Seed ExtractBrassica Oleracea Italica (Broccoli) ExtractCamellia Sinensis Seed ExtractSalmon Egg ExtractSolanum Lycopersicum (Tomato) Fruit ExtractSpinacia Oleracea (Spinach) Leaf ExtractVaccinium Angustifolium (Blueberry) Fruit ExtractWine ExtractHydrolyzed ElastinSodium DNA
D Tier: Potential IrritantsBe Cautious
Fragrance (Parfum)
What Each Ingredient Does
Water
Solvent base
Propanediol
Humectant, penetration enhancer
Dipropylene Glycol
Solvent, texture aid
Butylene Glycol
Humectant, solvent
Methylpropanediol
Solvent, helps spreadability
Diethoxyethyl Succinate
Emollient, skin-feel enhancer
Ethoxydiglycol
Solvent, penetration enhancer
Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer
Gelling agent, stabilizer
Niacinamide
Brightening and barrier-support active
Trehalose
Humectant, water-binding sugar
1,2-Hexanediol
Solvent, antimicrobial preservative booster
Chlorella Vulgaris Extract
Botanical extract, antioxidant marketing
Collagen
Marketing film-former, negligible anti-aging
Hydrolyzed Collagen
Humectant, marketing anti-aging claim
Cynanchum Atratum Extract
Botanical extract, potential soothing
Althaea Rosea Flower Extract
Botanical extract, antioxidant/soothing
Soluble Collagen
Film-former, marketing anti-aging
Allium Sativum (Garlic) Bulb Extract
Botanical, antioxidant, potential irritant
Avena Sativa (Oat) Kernel Extract
Soothing, anti-irritant botanical
Bertholletia Excelsa Seed Extract
Botanical, emollient/antioxidant
Brassica Oleracea Italica (Broccoli) Extract
Botanical antioxidant
Camellia Sinensis Seed Extract
Antioxidant botanical
Salmon Egg Extract
Marketing marine extract
Solanum Lycopersicum (Tomato) Fruit Extract
Antioxidant botanical
Full Ingredient List (INCI)

Water, Propanediol, Dipropylene Glycol, Butylene Glycol, Methylpropanediol, Diethoxyethyl Succinate, Ethoxydiglycol, Ammonium Acryloyldimethyltaurate/Beheneth-25 Methacrylate Crosspolymer, Niacinamide, Trehalose, 1,2-Hexanediol, Chlorella Vulgaris Extract, Collagen, Hydrolyzed Collagen, Cynanchum Atratum Extract, Althaea Rosea Flower Extract, Soluble Collagen, Allium Sativum (Garlic) Bulb Extract, Avena Sativa (Oat) Kernel Extract, Bertholletia Excelsa Seed Extract, Brassica Oleracea Italica (Broccoli) Extract, Camellia Sinensis Seed Extract, Salmon Egg Extract, Solanum Lycopersicum (Tomato) Fruit Extract, Spinacia Oleracea (Spinach) Leaf Extract, Vaccinium Angustifolium (Blueberry) Fruit Extract, Wine Extract, Polyglyceryl-10 Isostearate, Tromethamine, Glucose, Polyglyceryl-10 Oleate, Ethylhexylglycerin, Fructooligosaccharides, Fructose, Adenosine, Sodium Phytate, Cyanocobalamin, Tocopherol, Pullulan, Glycerin, Hydroxypropyltrimonium Hyaluronate, Squalane, Soluble Proteoglycan, Hydrolyzed Elastin, Sodium DNA, Carbomer, Xanthan Gum, Fragrance (Parfum).

Frequently Asked

Is Medicube Collagen Niacinamide Jelly Cream worth it?

Medicube Collagen Niacinamide Jelly Cream scores 3.6 out of 5.0 for efficacy (Basic) and 4.2 out of 5.0 for safety (Mostly Safe) on DemythSkin's independent ingredient analysis. This is a cosmetically pleasing jelly moisturizer with real brightening and hydration but almost zero true collagen-based anti-aging beyond marketing hype. Niacinamide is the only well-supported treatment active in a mea

What are the key active ingredients in Medicube Collagen Niacinamide Jelly Cream?

Medicube Collagen Niacinamide Jelly Cream contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does Medicube Collagen Niacinamide Jelly Cream contain fragrance or known irritants?

DemythSkin flags these ingredients in Medicube Collagen Niacinamide Jelly Cream as potential irritants: Fragrance (Parfum). This product does contain fragrance.

How is Medicube Collagen Niacinamide Jelly Cream 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: 2026-07-20. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.