
Peter Thomas Roth
Firm X Collagen Serum56%
Medium match
$51.95
Medium irritancy Why it matches
PALMITOYL TRIPEPTIDE-5DIMETHICONEGLYCERIN +1 more
Key differences
ACETYL TETRAPEPTIDE-2PALMITOYL DIPEPTIDE-5 DIAMINOBUTYROYL HYDROXYTHREONINEHYDROLYZED COLLAGEN +7 more
View details
Common ingredients (4)
Different ingredients (10)
Similarity breakdown
Overall formula56%
Hero ingredients100%
Active ingredients86%
All ingredients15%














