
Peter Thomas Roth
Firm X Collagen Serum
58%
Medium match
Low irritancy
3/5
key actives shared
1/1
hero shared
23%
of the original's ingredients
Why it's a dupe
- Same hero ingredients:Palmitoyl tripeptide-5
- Both contain:DimethiconeGlycerin
- Both contain peptides.
- Both work for:MoisturizingAnti-aging
- The original also hasPeg-10 dimethiconeSodium acetylated hyaluronateretinoids
- Unlike the original, it hasPalmitoyl dipeptide-5 diaminobutyroyl hydroxythreonineAcetyl tetrapeptide-2Squalane

















