Products › Serum › Paula's Choice C15 Super Booster
C15 Super Booster
C15 Super Booster looks solid; a couple of actives could be dosed higher to be a standout.
Actives pyramid
What's actually in it, ranked by how well it's dosed.
What it does
Evidenced benefit intensity, derived from dosed actives.
The receipt
Every point of this grade, traced to the active, its dose, and the evidence.
Vitamin C at 15% — strong dose
Above the ~15% where 10–20% L-ascorbic acid is photoprotective and brightens tone in clinical data.
Vitamin E present — concentration not disclosed
A recognized active, but without a labeled % we can't confirm it reaches the effective ~0.5% dose.
Ferulic Acid present — concentration not disclosed
A recognized active, but without a labeled % we can't confirm it reaches the effective ~0.5% dose.
Brand clinical study available
The brand has run a clinical/consumer study on this product. Useful, though not independent.
Pros & cons
The honest tradeoffs.
- Vitamin C at a strong, research-backed dose (15%)
- Brand has run a clinical/consumer study on this product
- Vitamin E concentration not disclosed — can't confirm it's effective
- Ferulic Acid concentration not disclosed — can't confirm it's effective
Best for
Who and when this fits.
Dupes & alternatives
Cheaper products in the same category that grade equal or higher.
B Timeless Vitamin C + E Ferulic Acid Serum$25
save 52% B Maelove The Glow Maker Vitamin C Serum
$32
save 38%
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Get Visage VerifiedBased on published concentration thresholds and formulation science. Our algorithm predicts likely efficacy — it does not test the product. Individual results vary. Not evaluated by the FDA. You can't pay to move a grade — Visage Theory is paid only for optional audits and seal licenses, never to change a letter.