Compare Products: PM Facial Moisturizing Lotion vs The Niacinamide 15 Serum

COSRX

The Niacinamide 15 Serum

Mid-range15%
$25 / 20ml — $1.25/ml

Who It's Designed For

CeraVe
  • Those seeking a lightweight, affordable nightly moisturizer
  • Oily and combination skin types who find creams too heavy
  • Users who want ceramide barrier repair without heaviness
  • People looking for a niacinamide moisturizer at a budget price
  • Those building a simple, effective skincare routine
  • Users on tretinoin or active treatments who need a gentle moisturizer
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

Key Ingredients

CeraVe

3 Essential Ceramides (1, 3, 6-II), Niacinamide, Hyaluronic Acid, MVE Technology

COSRX

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

Product Composition

18% similarity (6 ingredients in common)

Shared Ingredients
purified waterglycerinniacinamidesodium lauroyl lactylatedisodium edtaxanthan gum
Only in CeraVe (17)
caprylic/capric triglyceridebehentrimonium methosulfatecetearyl alcoholceteareth-20ceramide npceramide apceramide eopphytosphingosinehyaluronic acidcholesteroldimethiconepolyglyceryl-3 diisostearatepotassium phosphatedipotassium phosphatemethylparabenphenoxyethanolcarbomer
Only in COSRX (11)
pentylene glycolbutylene glycolacetyl glucosamine12-hexanediolzinc pcatrehalosepullulanallantoincitric acidtocopherol

User Feedback Patterns

CeraVe
Ideal for oily and combination skin

Users with oily skin consistently praise the ultra-lightweight texture. It provides enough moisture without triggering excess oil production.

Perfect layering base

The thin consistency makes it easy to layer under treatments, actives, or heavier moisturizers without pilling.

Not enough for very dry skin

Users with dry skin often supplement this with a heavier cream or facial oil, especially in cold weather.

Formulation changes concern

Some longtime users report that CeraVe has subtly reformulated over the years. Packaging and ingredient order changes have sparked discussion in skincare communities.

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.

Which Should You Buy?

CeraVe PM Facial Moisturizing Lotion offers great value at a lower price point. COSRX The Niacinamide 15 Serum may be worth the premium if you want Niacinamide (15%).

Budget Pick
Buy CeraVe
Premium Pick
Buy COSRX

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