Loading...
Peter Thomas Roth Potent-C™ Vitamin C Power Serum scores 7.6/9.8 overall. It ranks highest in low irritation risk (9.5) and formulation safety (9.0).
Works on your skin
Lightweight humectant and solvent
Softens and smooths
Estimated — based on ingredient analysis. Scores refine as user reviews are added.
Scores last verified: June 2026
Peter Thomas Roth Potent-C™ Vitamin C Power Serum is a solid serum with an overall score of 7.6/9.8. Positioned in the luxury bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Tetrahexyldecyl Ascorbate, Butylene Glycol, C9-12 Alkane — ingredients that actively target skin concerns.
It performs well on hydration (7.5) and low irritation risk (9.5). On the flip side, active ingredient concentration is on the lighter side.
Great for
May not suit
Works on your skin — #2 in the INCI list
Draws in moisture — #3 in the INCI list
Softens and smooths — #4 in the INCI list
Softens and smooths — #5 in the INCI list
Works on your skin — #6 in the INCI list
28 ingredients — listed in INCI order (highest concentration first)
Some links on this site are affiliate links. We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.
© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.