Compare Products: C-Firma Fresh Day Serum vs C15 Super Booster
Who It's Designed For
- Those who want maximum freshness from their vitamin C serum
- Users seeking a CE Ferulic formula with added botanical antioxidants
- People comfortable with a premium price for innovative packaging and formulation
- Sephora shoppers who want a luxury alternative to SkinCeuticals
- Those following the Drunk Elephant 'Suspicious 6-free' philosophy
- 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
15% L-Ascorbic Acid, Ferulic Acid, Tocopherol (Vitamin E), Pumpkin Ferment Extract, Pomegranate Ferment Extract, Sodium Hyaluronate
15% L-Ascorbic Acid, Ferulic Acid, Tocopherol (Vitamin E), Peptides (Tridecapeptide-1, Palmitoyl Tripeptide-5), Sodium Hyaluronate
Product Composition
17% similarity (9 ingredients in common)
Only in Drunk Elephant (28)▾
Only in Paula's Choice (16)▾
User Feedback Patterns
The mix-before-use system is the most praised unique feature. Users trust that their vitamin C starts fresh, unlike pre-mixed serums that may have oxidized on shelves.
Some users find the serum slightly tacky or sticky. This resolves once other products are layered on top, but it is a commonly noted drawback.
Users report noticeable glow and brighter skin within 2-4 weeks. Many compare results favorably to SkinCeuticals at a lower price.
Consistently ranked among Sephora's top-selling serums. The brand's strong Sephora presence drives discovery and repeat purchases.
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.