Loading...
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 8.4/9.8 and Peter Thomas Roth FIRMx Collagen Moisturizer scores 8.5/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.1 points apart.
Scores last verified: June 2026
23 unique
12 in common
12 unique
These two moisturisers take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles scores 9.8 here versus 9.1 for Peter Thomas Roth FIRMx Collagen Moisturizer. That difference comes down to how each formula is built — the ingredient list tells the story.
Peter Thomas Roth FIRMx Collagen Moisturizer brings Collagen, Niacinamide, and Palmitoyl Tripeptide-1 as actives, while iOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles relies on Niacinamide, Tocopherol, and Tocopheryl Acetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
IOPE Expert Retinol RX™ 2% Reti-Jection Serum for Wrinkles is better if you have
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
Both sit in the premium bracket, so value comes down to formulation quality. Peter Thomas Roth FIRMx Collagen Moisturizer gets the nod here with its 8.5 overall score — you're getting more for a similar outlay.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Based on ingredient analysis, Peter Thomas Roth FIRMx Collagen Moisturizer scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.
Some links on this site are affiliate links. We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.
© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.