Compare Products: Mela B3 Serum vs C15 Super Booster
Who It's Designed For
- Those with stubborn hyperpigmentation including sunspots, age spots, and post-acne marks
- Users seeking dermatologist-backed, clinically tested brightening products
- People who want an alternative mechanism to vitamin C or hydroquinone
- All skin tones; formulated to work without affecting natural skin tone
- Sensitive skin types who need gentle but effective brightening
- 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
Key Ingredients
Niacinamide (10%), Melasyl (2-Mercaptonicotinoyl Glycine), Sodium Hyaluronate, LHA (Capryloyl Salicylic Acid)
15% L-Ascorbic Acid, Ferulic Acid, Tocopherol (Vitamin E), Peptides (Tridecapeptide-1, Palmitoyl Tripeptide-5), Sodium Hyaluronate
Product Composition
29% similarity (13 ingredients in common)
Only in La Roche Posay (19)▾
Only in Paula's Choice (13)▾
User Feedback Patterns
Users frequently report fading of post-inflammatory hyperpigmentation from acne. Often noted as more effective than previous vitamin C serums.
Despite fragrance, many sensitive skin users report no irritation. Users with rosacea have noted tolerance.
Users report seeing changes over weeks to months. Not overnight results, but consistent improvement with regular use.
Lightweight serum absorbs quickly without greasiness. Layers well under sunscreen and makeup.
Some users with stubborn melasma or very dark spots report only modest improvement. Works better on newer or less severe pigmentation.
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.