Where The Ordinary Power of Peptides Set really shines is active ingredient strength, scoring 9.8 compared to The Ordinary Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity's 8.4. 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. The Ordinary Power of Peptides Set 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 Power of Peptides Set brings Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1 as actives, while the Ordinary Multi-Peptide + Hyaluronic Acid Serum for Firmness and Elasticity relies on Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Both sit in the mid-range bracket, so value comes down to formulation quality. The Ordinary Power of Peptides Set gets the nod here with its 9.4 overall score — you're getting more for a similar outlay.