COSRX 5 PDRN Collagen Intense Vitalizing Serum — Efficacy 4.1/5.0, Safety 4.5/5.0 | DemythSkin
++++
[ DemythSkin Verdict ]
COSRX 5 PDRN Collagen Intense Vitalizing Serum
COSRX

COSRX 5 PDRN Collagen Intense Vitalizing Serum

SerumHydration
Efficacy
Strong
4.1 / 5.0
Safety
Safe
4.5 / 5.0
System Verdict
This serum is hydration-heavy marketing fluff dressed up as a PDRN ‘collagen’ treatment, with real work coming from niacinamide and humectants—not the hyped DNA or collagen claims. Efficacy sits in the solid-but-not-exceptional range because the formula leans on a mid-list niacinamide plus a small-molecule peptide and adenosine, backed by a dense multi-hyaluronic humectant system, but lacks any gold-standard anti-aging or firming actives like retinoids or properly dosed vitamin C. The nucleotide (PDRN/Sodium DNA, Hydrolyzed DNA) and collagen components are classic marketing idols with limited topical evidence, so they cannot credibly boost the score beyond what the more proven actives and strong hydration base justify.
Active Ingredients Detected
A Tier: Good BasicsProven Results
GlycerinNiacinamideBetainePanthenolAdenosineLactobacillus FermentAllantoinAlpha-ArbutinTocopherolSodium HyaluronateHydroxypropyltrimonium HyaluronateHydrolyzed Hyaluronic AcidSodium Acetylated HyaluronateHyaluronic AcidHydrolyzed Sodium HyaluronateSodium Hyaluronate CrosspolymerPotassium Hyaluronate
B Tier: Supporting IngredientsPromising Ingredients
Hydrolyzed Corn StarchSucroseCentella Asiatica ExtractHydrolyzed DNAAcetyl Hexapeptide-8
C Tier: Marketing IdolsHype | Limited or Weak Data
Sodium DNAHydrolyzed Collagen
D Tier: Potential IrritantsBe Cautious
t-Butyl Alcohol
What Each Ingredient Does
Aqua/Water
Solvent base
Dipropylene Glycol
Solvent, texture enhancer
Butylene Glycol
Humectant, solvent
Pentylene Glycol
Humectant, solvent
Glycerin
Primary humectant
Niacinamide
Multifunctional skin active
1,2-Hexanediol
Solvent, preservative booster
Betaine
Humectant, osmoprotectant
Panthenol
Humectant, soothing agent
Sodium DNA
Marketing nucleotide active
Ammonium Acryloyldimethyltaurate/VP Copolymer
Thickener, film former
Polyacrylate Crosspolymer-6
Gel-forming thickener
Xanthan Gum
Natural thickener, stabilizer
Ethylhexylglycerin
Preservative booster, humectant
Adenosine
Anti-wrinkle functional active
Hydrolyzed Corn Starch
Texture and moisture support
Disodium EDTA
Chelator, stability enhancer
Hydrolyzed Collagen
Film-forming humectant
Sucrose
Humectant, texture aid
t-Butyl Alcohol
Solvent, processing aid
Lactobacillus Ferment
Ferment-derived skin conditioner
Allantoin
Soothing, skin protectant
Alpha-Arbutin
Brightening active
Centella Asiatica Extract
Soothing botanical extract
Full Ingredient List (INCI)

Aqua/Water, Dipropylene Glycol, Butylene Glycol, Pentylene Glycol, Glycerin, Niacinamide, 1,2-Hexanediol, Betaine, Panthenol, Sodium DNA, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Xanthan Gum, Ethylhexylglycerin, Adenosine, Hydrolyzed Corn Starch, Disodium EDTA, Hydrolyzed Collagen, Sucrose, t-Butyl Alcohol, Lactobacillus Ferment, Allantoin, Alpha-Arbutin, Centella Asiatica Extract, Propanediol, Tocopherol, Sodium Phytate, Sodium Hyaluronate, Hydrolyzed DNA, Caprylyl Glycol, Hydroxypropyltrimonium Hyaluronate, Acetyl Hexapeptide-8, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate, Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Potassium Hyaluronate

Frequently Asked

Is COSRX 5 PDRN Collagen Intense Vitalizing Serum worth it?

COSRX 5 PDRN Collagen Intense Vitalizing Serum scores 4.1 out of 5.0 for efficacy (Strong) and 4.5 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. This serum is hydration-heavy marketing fluff dressed up as a PDRN ‘collagen’ treatment, with real work coming from niacinamide and humectants—not the hyped DNA or collagen claims. Efficacy sits in the solid-but-not-exce

What are the key active ingredients in COSRX 5 PDRN Collagen Intense Vitalizing Serum?

COSRX 5 PDRN Collagen Intense Vitalizing Serum contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.

Does COSRX 5 PDRN Collagen Intense Vitalizing Serum contain fragrance or known irritants?

DemythSkin flags these ingredients in COSRX 5 PDRN Collagen Intense Vitalizing Serum as potential irritants: t-Butyl Alcohol.

How is COSRX 5 PDRN Collagen Intense Vitalizing 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.

Analyze on DemythSkin →

Analysis last updated: 2026-09-19. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.