Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Kiehl's Fast Release Wrinkle-Reducing 0.3% Retinol Night Serum Versus Peter Thomas Roth PRO Strength Retinoid Peptide Serum

This anti-aging serum is formulated around Panthenol and Adenosine to soften the look of wrinkles and fade the look of dark spots. This anti-aging serum is formulated around Hydroxypinacolone Retinoate and Ceramide NP to soften the look of wrinkles and refine

This source-based comparison does not add ratings or recommend a winner.

  • This anti-aging serum is formulated around Panthenol and Adenosine to soften the look of wrinkles and fade the look of dark spots.
  • This anti-aging serum is formulated around Hydroxypinacolone Retinoate and Ceramide NP to soften the look of wrinkles and refine skin texture.