COSRX 5 PDRN Collagen Intense Vitalizing Serum vs RETINOL B3 PURE RETINOL SERUM
18%Match
Only 18% overlap — quite different formulas
Ingredient Breakdown
Only in COSRX 5 (29)
1-2-hexanediol
acetyl-hexapeptide-8
Allantoin
C: 0/5I: 0/5humectant
Alpha Arbutin
C: 0/5I: 1/5brightener
ammonium-acryloyldimethyltaurate-vp-copolymer
Betaine
C: 0/5I: 0/5humectant
Butylene Glycol
C: 1/5I: 1/5humectant
centella-asiatica-extract
dipropylene-glycol
Disodium EDTA
C: 0/5I: 0/5other
Ethylhexylglycerin
C: 0/5I: 1/5preservative
Hyaluronic Acid
C: 0/5I: 0/5humectant
hydrolyzed-collagen
hydrolyzed-corn-starch
hydrolyzed-dna
hydrolyzed-hyaluronic-acid
hydrolyzed-sodium-hyaluronate
hydroxypropyltrimonium-hyaluronate
lactobacillus-ferment
Panthenol (Vitamin B5)
C: 0/5I: 0/5humectant
polyacrylate-crosspolymer-6
potassium-hyaluronate
Propanediol
C: 0/5I: 0/5humectant
sodium-acetylated-hyaluronate
sodium-dna
sodium-hyaluronate-crosspolymer
sodium-phytate
sucrose
t-butyl-alcohol
Shared (9)
adenosine
Aqua/Water/Eau
C: 0/5I: 0/5other
caprylyl-glycol
Glycerin
C: 0/5I: 0/5humectant
Niacinamide
C: 0/5I: 1/5antioxidant
Pentylene Glycol
C: 0/5I: 1/5humectant
Sodium Hyaluronate
C: 0/5I: 0/5humectant
Tocopherol (Vitamin E)
C: 2/5I: 1/5antioxidant
Xanthan Gum
C: 0/5I: 0/5other
Only in RETINOL B3 (13)
alcoholdenat
ammoniumpolyacryloyldimethyltaurate
Citric Acid
C: 0/5I: 2/5aha
cyclohexasiloxane
Dimethicone
C: 1/5I: 0/5silicone
glycine-soja-soybean-oil-extract
Parfum
C: 0/5I: 4/5fragrance
Phenoxyethanol
C: 0/5I: 2/5preservative
polysilicone-11
ppg-6-decyltetradeceth-30
Retinol
C: 0/5I: 3/5retinoid
Retinyl Palmitate
C: 0/5I: 1/5retinoid
trisodium-ethylenediamine-disuccinate
When Used Together
SynergyGlycerin + Hyaluronic Acid
Hyaluronic acid and glycerin together provide multi-weight hydration for plump, supple skin.
SynergyNiacinamide + Retinol
Niacinamide buffers retinol irritation while enhancing barrier function — ideal layering combination.
SynergyHyaluronic Acid + Niacinamide
Niacinamide enhances hyaluronic acid hydration. Excellent combo for all skin types.