Compare Products: The Niacinamide 15 Serum vs Niacinamide Brightening Toner
Who It's Designed For
- 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
- Those seeking gentle brightening without high-concentration actives
- Users who want multiple brightening ingredients working together
- Sensitive skin types who cannot tolerate 10% niacinamide
- People targeting hyperpigmentation, dullness, and uneven tone
- Those who prefer toner format over serum
Key Ingredients
Niacinamide (15%), Acetyl Glucosamine (2%), Zinc PCA (1%), Allantoin (0.1%)
Niacinamide (3%), Arbutin (2%), Licorice Root Extract, Ethyl Ascorbic Acid
Product Composition
26% similarity (6 ingredients in common)
Only in COSRX (10)▾
Only in Good Molecules (7)▾
User Feedback Patterns
Users consistently report significant reduction in daytime oil and shine. Many describe it as the best niacinamide serum they have tried for sebum control.
Unlike some high-concentration serums, this absorbs quickly without tackiness or residue. Layers well under other products.
The 20ml size (vs. 30ml standard) is a common gripe, especially given the price point.
Users report visible pore improvement around the 3-4 week mark with consistent twice-daily use.
Users with sensitive skin report good tolerance. The lower niacinamide concentration avoids irritation common with 10% formulas.
Many users report brighter, more even-looking skin after consistent use. Results typically noted after 4-8 weeks.
Users note smoother skin texture and smaller-looking pores with regular use.
Some users with dry skin find the toner is not moisturizing enough on its own and needs to be followed by additional hydration.
Some users note a slight tacky feeling after application, though this absorbs with time.
Which Should You Buy?
Good Molecules Niacinamide Brightening Toner offers great value at a lower price point. COSRX The Niacinamide 15 Serum may be worth the premium if you want Niacinamide (15%).