Ingredient or product comparison

Peter Thomas Roth FIRMx Collagen Serum Versus Kate Somerville KateCeuticals Firming Serum

This anti-aging serum is formulated around Palmitoyl Tripeptide-5 to soften the look of wrinkles. This anti-aging serum is formulated around Adenosine and Palmitoyl Tripeptide-5 to soften the look of wrinkles.

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