Peter Thomas Roth - Potent-C Brightening Vitamin C Moisturizer

Peter Thomas Roth Potent-C Brightening Vitamin C Moisturizer

Efficacy100/100

Works for:

based on ingredients and %
  • Anti-aging
  • Moisturizing
  • Evens skin tone
  • Anti-oxidation

Can it cause trouble?

  • Irritation risk: medium
  • Comedogenic risk ingredients: 3

Key actives

Gluconolactone0.45% - 0.7%Ferulic acid0.6% - 0.9%Lactic acid0.5% - 0.75%
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Price as of May 18, 2026.
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Product Summary

"Peter Thomas Roth - Potent-C Brightening Vitamin C Moisturizer" is effective for: Anti-aging, Moisturizing and Evens skin tone

Ingredient callouts

  • This product contains acids (gluconolactone 0.45% - 0.70% and lactic acid 0.50% - 0.75%). Their concentration is low, and they will not have a strong exfoliating effect. Instead, they work to support the skin natural acid mantle and to attract water (as humectants). PHAs (gluconolactone) especially are great for improving skin hydration. They might be even able to stimulate the production of skin's natural humectants and support the healthy skin microbiome.
  • As a plus, this moisturizer also contains Ceramides (ceramide np 0.55% - 0.80%). Ceramides are a type of lipids that our skin produces itself. They are a building block of the skin's barrier. Ceramides used in skincare are synthetic or extracted from plants. They work well for softening the skin surface and "patch holes" in the skin's barrier.

Price

The product retails for 72.00$ in the United States.

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