
Peter Thomas Roth Potent-C Power Serum
Best Overall
The fullest ferulic formula in this edit: 20 percent THD ascorbate, backed by vitamin E and ferulic acid at declared levels.
Potent-C takes the top spot because it publishes the fullest antioxidant architecture in the edit: 20 percent THD ascorbate with vitamin E at 3 percent and ferulic acid at 2 percent, all printed, all in a fragrance free pump. It delivers the classic trio readers look for, in a stable form that does not punish beginners or demand cold storage rituals.
Suits
Readers who want the classic vitamin C, vitamin E and ferulic acid architecture at the highest declared levels in this edit, in a stable oil soluble form.
Skip if
You prefer a water light pure L-ascorbic acid serum, or your skin is oily and dislikes richer, more cushioned textures.
- Vitamin C Form
- THD Ascorbate, 20 percent
- Key Supporting Actives
- Vitamin E 3 percent, Ferulic Acid 2 percent, Squalane
- Size
- 30 ml / 1 fl oz
- Format
- Pump serum, fragrance free
- Model
- 15-01-049, as printed on the listing

