Compare Products: The Niacinamide 15 Serum vs Deep Vita C Capsule Cream
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 a vitamin C cream with interactive capsule texture
- Users who want multiple brightening actives in one product
- People looking for sea buckthorn-based hydration
- Those who enjoy K-beauty innovation in texture
- Users targeting dark spots and uneven tone
Key Ingredients
Niacinamide (15%), Acetyl Glucosamine (2%), Zinc PCA (1%), Allantoin (0.1%)
50% Sea Buckthorn Water, 5% Niacinamide, Pure Vitamin C (Sodium Ascorbyl Phosphate), Ferulic Acid, 5 Vitamin C Derivatives
Product Composition
18% similarity (9 ingredients in common)
Only in COSRX (7)▾
Only in Medicube (35)▾
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 report an immediate brightening and glowing effect after application. The sea buckthorn base contributes to a warm, luminous finish.
Like the collagen capsule cream, users enjoy the interactive texture of bursting the vitamin capsules.
Long-term users note gradual fading of dark spots over 4 to 8 weeks of consistent use.