Where The Ordinary Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity really shines is active ingredient strength, scoring 8.4 compared to Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum's 4.3. Its formula features Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1 in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum scores 9.8 here versus 8.6 for The Ordinary Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity. That difference comes down to how each formula is built — the ingredient list tells the story.
The Ordinary Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity brings Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1 as actives, while peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum relies on Saccharomyces Lysate, Acetyl Hexapeptide-8, and Pentapeptide-18. Both approaches have merit, but the positioning and supporting ingredients make the difference.
At premium pricing with a score of 8.3, Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum is a decent pick. The Ordinary Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity sits at the mid-range level with a 8.8 score — the higher investment pays off in formulation quality.
