Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Peter Thomas Roth Peptide 21 Wrinkle Resist Serum Versus Peter Thomas Roth Even Smoother Glycolic Retinol Resurfacing Serum

This anti-aging serum is formulated around Tripeptide-10 Citrulline and Acetyl Octapeptide-3 to soften the look of wrinkles. This smoothing serum is formulated around Glycolic Acid and Niacinamide to refine skin texture and soften the look of wrinkles.

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  • This anti-aging serum is formulated around Tripeptide-10 Citrulline and Acetyl Octapeptide-3 to soften the look of wrinkles.
  • This smoothing serum is formulated around Glycolic Acid and Niacinamide to refine skin texture and soften the look of wrinkles.