
Peter Thomas Roth
Firm X Collagen Serum
51%
Medium match
Low irritancy
4/7
key actives shared
1/1
hero shared
42%
of the original's ingredients
Why it's a dupe
- Same hero ingredients:Palmitoyl tripeptide-5
- Both contain:Sodium hyaluronateTetradecyl aminobutyroylvalylaminobutyric urea trifluoroacetateGlycerin
- Both contain peptides.
- Both work for:Anti-agingMoisturizing
- The original also hasAlpha-glucan oligosaccharideFaex extractAlteromonas ferment extract
- Unlike the original, it hasPalmitoyl dipeptide-5 diaminobutyroyl hydroxythreonineAcetyl tetrapeptide-2Squalane














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