Potent-C™ Niacinamide Discoloration Treatment
Peter Thomas Roth Potent-C™ Niacinamide Discoloration Treatment scores 8.2/9.8 overall. It ranks highest in low irritation risk (9.5) and formulation safety (9.0).
✶ Hero ingredients
Vitamin B3 that brightens and strengthens skin barrier
Draws in moisture
Lightweight plant-derived emollient
Score breakdown
Estimated — based on ingredient analysis. Scores refine as user reviews are added.
Scores last verified: July 2026
What makes Peter Thomas Roth Potent-C™ Niacinamide Discoloration Treatment stand out
Peter Thomas Roth Potent-C™ Niacinamide Discoloration Treatment is an excellent serum with an overall score of 8.2/9.8. it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Niacinamide, Dimethyl Isosorbide, Isononyl Isononanoate — ingredients that actively target skin concerns.
It performs well on hydration (7.4) and low irritation risk (9.5).
Is this right for you?
Great for
- ✓Dry or dehydrated skin — strong moisture-binding profile
- ✓Sensitive skin — low irritation risk with a gentle formulation
- ✓Safety-conscious shoppers — clean formulation with minimal flags
Key ingredients
- ✶Niacinamide
Works on your skin — #2 in the INCI list
- ✶Dimethyl Isosorbide
Draws in moisture — #3 in the INCI list
- ✶Isononyl Isononanoate
Softens and smooths — #4 in the INCI list
- ✶Tranexamic Acid
Works on your skin — #5 in the INCI list
- ✶Dimethicone
Softens and smooths — #6 in the INCI list
What creators are saying
TikTokFull ingredient list
35 ingredients — listed in INCI order (highest concentration first)
Compare with similar products
- Lancôme Renergie C.R.X. Triple Serum Retinol9.7
- INNBEAUTY PROJECT Pro C Serum Brightening Solution with 15% Vitamin C + Ferulic Acid9.7
- innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots9.7
- Skinfix barrier+ Triple Lipid Activating Serum With Plumping Peptides and Niacinamide9.6
- innisfree Gentle Retinol + Salicylic Acid Acne Serum for Blemishes + Post-Acne Scars9.6
Ingredient breakdown
- Holds the formula together8
- Softens and smooths7
- Works on your skin6
- Draws in moisture6
- Keeps the product fresh3
- Other ingredient2
- Formula balancers2
- UV protection1