Potent-C™ Vitamin C Power Serum

Peter Thomas Roth Potent-C™ Vitamin C Power Serum is a decent serum with an overall score of 6.3/9.8. Positioned in the luxury bracket, it takes a straightforward approach to skincare. 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.

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

May not suit

• ⚠Those seeking potent actives — this leans more maintenance than treatment

Key ingredients

• ✶
  Tetrahexyldecyl Ascorbate

  Works on your skin — #2 in the INCI list

• ✶
  Butylene Glycol

  Draws in moisture — #3 in the INCI list

• ✶
  C9-12 Alkane

  Softens and smooths — #4 in the INCI list

• ✶
  Caprylyl Methicone

  Softens and smooths — #5 in the INCI list

• ✶
  Tocopheryl Acetate

  Works on your skin — #6 in the INCI list