Compare Products: Vitamin Illuminating Serum vs SuperSolutions 20% Niacinamide Serum
Who It's Designed For
- Those looking to address uneven skin tone and dark spots
- Users who want vitamin C benefits without L-ascorbic acid irritation
- Sensitive skin types seeking a fragrance-free brightening serum
- People who prefer lightweight, non-sticky serum textures
- Those interested in barrier support alongside brightening actives
- K-beauty enthusiasts looking for a multi-functional serum
- Very oily skin seeking maximum oil control
- Stubborn enlarged pores unresponsive to lower niacinamide concentrations
- Users who have tolerated 10-15% niacinamide and want to increase strength
- Budget-conscious users wanting clinical-strength actives
- Those seeking exfoliating effects (20% niacinamide has mild exfoliating properties)
Key Ingredients
40% Acerola Fruit Water, 4% Niacinamide, 2% Arbutin, 5 types of Ceramides, 8 types of Hyaluronic Acid
Niacinamide (20%), Zinc PCA (0.5%), Squalane (3%)
Product Composition
17% similarity (9 ingredients in common)
Only in EQQUALBERRY (36)▾
Only in The Inkey List (7)▾
User Feedback Patterns
Users consistently praise the serum for being lightweight and non-sticky. Several reviewers specifically note it absorbs quickly, unlike typical vitamin C serums.
Many users report improved skin tone and reduced dark spots within 2 to 4 weeks of consistent use. The brand cites an Intertek study showing 57.49% melanin area reduction in one week, though the full study methodology is not publicly available.
At 30ml, several users note the bottle runs out quickly, especially with daily use on face, neck, and body as suggested by the brand.
Some users report minimal visible change after several weeks. Most negative reviews cite underwhelming brightening results rather than irritation or breakouts.
Users with very oily skin consistently report this as one of the most effective oil-control products they have tried. Many note all-day mattifying effect.
Despite the 20% concentration, most users report no irritation. However, patch testing is frequently mentioned as important for first-time users.
Users who found The Ordinary's 10% niacinamide too weak or pilling-prone often prefer this. The gel texture absorbs cleanly.
Some users report a white film if they apply too much. The brand addresses this: use less product and follow immediately with moisturizer.
Which Should You Buy?
The Inkey List SuperSolutions 20% Niacinamide Serum offers great value at a lower price point. EQQUALBERRY Vitamin Illuminating Serum may be worth the premium if you want 40% Acerola Fruit Water.