Compare Products: C15 Super Booster vs B3 Nice 10% Niacinamide Serum
Who It's Designed For
- Those seeking a CE Ferulic serum with added peptide benefits
- Users who want collagen stimulation from both vitamin C and peptides
- People who prefer mixing a vitamin C booster into their existing products
- Prestige skincare shoppers who want the formula at Sephora
- Users comfortable with 15% L-ascorbic acid concentration
- Those seeking an antioxidant-rich niacinamide treatment
- Users who want botanical anti-inflammatory ingredients alongside niacinamide
- People addressing post-acne dark spots and uneven tone
- Those who prefer prestige skincare with complex formulations
- Users comfortable with light synthetic fragrance
Key Ingredients
15% L-Ascorbic Acid, Ferulic Acid, Tocopherol (Vitamin E), Peptides (Tridecapeptide-1, Palmitoyl Tripeptide-5), Sodium Hyaluronate
Niacinamide (10%), Brightenyl (Diglucosyl Gallic Acid), Trans-Resveratrol, EGCG (Green Tea), Centella Asiatica
Product Composition
9% similarity (5 ingredients in common)
Only in Paula's Choice (21)▾
Only in Sunday Riley (29)▾
User Feedback Patterns
Users consistently report visible brightening and improved skin tone within 2-4 weeks. The 15% concentration is effective for most users.
At $55 for 20ml, this is one of the priciest vitamin C serums relative to volume. Users note the small bottle size is a drawback for daily full-face use.
Multiple reviewers report receiving bottles that appear already oxidized (yellow or orange). This is a recurring complaint that the brand has acknowledged.
The booster format is praised for flexibility. Users mix it with moisturizer, sunscreen, or other serums without issues.
Users frequently praise the lightweight, watery texture that absorbs quickly without stickiness. Layers well under other products and makeup.
Consistent reports of improved radiance and brighter complexion with regular use, though dark spot fading varies by individual.
Oily skin users report reduced shine and less sebum production throughout the day.
Some users note the dropper packaging can cause product to dry and crust around the lid. Others have reported the product arriving discolored.
Mixed opinions on value. Some feel the botanical complex justifies the premium; others find it overpriced compared to budget niacinamide options.