Ingredient or product comparison
Peter Thomas Roth Peptide 21 Wrinkle Resist Serum Versus Peter Thomas Roth PRO Strength Niacinamide Discoloration Treatment
This anti-aging serum is formulated around Tripeptide-10 Citrulline and Acetyl Octapeptide-3 to soften the look of wrinkles. This brightening treatment is formulated around Niacinamide and Tranexamic Acid to fade the look of dark spots and brighten dull-lookin
This source-based comparison does not add ratings or recommend a winner.
- This anti-aging serum is formulated around Tripeptide-10 Citrulline and Acetyl Octapeptide-3 to soften the look of wrinkles.
- This brightening treatment is formulated around Niacinamide and Tranexamic Acid to fade the look of dark spots and brighten dull-looking skin.