Compare Products: The Niacinamide 15 Serum vs PDRN Pink Collagen Capsule Cream

Who It's Designed For

COSRX
  • Oily and acne-prone skin seeking serious oil control
  • Post-acne marks and hyperpigmentation
  • Enlarged pores and textured skin
  • Users ready to step up from 10% to higher-strength niacinamide
  • Those who prefer minimal-ingredient formulas
Medicube
  • Those looking for hydration and firming in one product
  • Users interested in PDRN as an anti-aging ingredient
  • People who enjoy interactive, capsule-bursting textures
  • Those seeking lightweight cream that does not feel heavy
  • Users who want niacinamide for brightening alongside collagen support

Key Ingredients

COSRX

Niacinamide (15%), Acetyl Glucosamine (2%), Zinc PCA (1%), Allantoin (0.1%)

Medicube

Salmon DNA PDRN, Niacinamide, Hydrolyzed Collagen Extract, Sodium Hyaluronate, Peptide Complex

Product Composition

16% similarity (8 ingredients in common)

Shared Ingredients
waterniacinamidebutylene glycolacetyl glucosamine12-hexanediolethylhexylglycerinsodium phytate
Only in COSRX (8)
pentylene glycolzinc pcatrehalosexanthan gumpullulanallantoincitric acidtocopherol
Only in Medicube (34)
methylpropanediolpropanedioldipropylene glycolcaprylic/capric triglycerideglycereth-26argininecetearyl alcoholcarbomercetearyl olivatesorbitan olivateammonium acryloyldimethyl taurate/vp copolymersimethiconeeclipta prostrata extractadenosinemelia azadirachta leaf extractpolyisobutenehydrolyzed sclerotium gumglyceryl stearatemoringa oleifera seed oilpolysorbate 20sorbitan isostearateglutathioneoctyldodecanolhydroxypropyltrimonium hyaluronatesalmon egg extracthydrogenated lecithinceramide npcyanocobalaminthioctic acidhydrolyzed hyaluronic acidhydrolyzed collagen extracthyaluronic acidcaprylyl glycolpalmitoyl pentapeptide-4

User Feedback Patterns

COSRX
Oil control standout

Users consistently report significant reduction in daytime oil and shine. Many describe it as the best niacinamide serum they have tried for sebum control.

Lightweight texture praised

Unlike some high-concentration serums, this absorbs quickly without tackiness or residue. Layers well under other products.

Small bottle concern

The 20ml size (vs. 30ml standard) is a common gripe, especially given the price point.

Pore improvement takes time

Users report visible pore improvement around the 3-4 week mark with consistent twice-daily use.

Medicube
Fun, interactive texture

Users enjoy popping the capsules and blending them into the gel. The sensory experience is frequently highlighted in positive reviews.

Lightweight for a collagen cream

Unlike heavy collagen creams, users note this absorbs well without a greasy or sticky residue.

Glow and hydration boost

Immediate hydration and a visible glow are the most commonly cited benefits. Long-term firming results are less frequently reported.

View Full Product Details

Related Comparisons