Compare Products: The Niacinamide 15 Serum vs 20% Vitamin C + E Ferulic Acid Serum
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 the CE Ferulic combination at an affordable price
- Users comfortable with high-concentration L-ascorbic acid
- People looking for a research-backed antioxidant serum
- Budget-conscious shoppers who want SkinCeuticals-level actives
- Users who prefer fragrance-free, minimalist formulas
Key Ingredients
Niacinamide (15%), Acetyl Glucosamine (2%), Zinc PCA (1%), Allantoin (0.1%)
20% L-Ascorbic Acid, 1% Vitamin E (Alpha Tocopherol), 1% Ferulic Acid, Sodium Hyaluronate, Panthenol
Product Composition
13% similarity (3 ingredients in common)
Only in COSRX (13)▾
Only in Timeless (8)▾
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.
The most common praise is that it delivers results comparable to SkinCeuticals at a fraction of the cost. Users report brightening, improved tone, and visible glow within 2-4 weeks.
Consistently ranked among the top vitamin C serums on Reddit. r/SkincareAddiction and r/30PlusSkinCare frequently recommend it as the best value CE Ferulic serum.
Users report the serum darkening within 4-8 weeks, sometimes faster in warm climates. Several recommend buying smaller sizes and refrigerating immediately.
The 20% concentration causes noticeable stinging for most users during the first 1-2 weeks. This typically subsides as skin adjusts.