Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Peter Thomas Roth Peptide 21 Wrinkle Resist Serum Versus Peach & Lily Copper Peptide Pro Firming Serum

This anti-aging serum is formulated around Tripeptide-10 Citrulline and Acetyl Octapeptide-3 to soften the look of wrinkles. This anti-aging serum is formulated around Copper Tripeptide-1 and Acetyl Hexapeptide-8 to soften the look of wrinkles.

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 anti-aging serum is formulated around Copper Tripeptide-1 and Acetyl Hexapeptide-8 to soften the look of wrinkles.