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Peter Thomas Roth FIRMx Collagen Moisturizer scores 8.5/9.8 and Rejuran Moisture Treatment Mask c-PDRN® for Hydration & Redness Relief scores 8.5/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.0 points apart.
Scores last verified: June 2026
16 unique
8 in common
36 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.
Active Ingredient Strength is another area of separation. Peter Thomas Roth FIRMx Collagen Moisturizer scores 5.9 here versus 5.3 for Rejuran Moisture Treatment Mask c-PDRN® for Hydration & Redness Relief. 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 rejuran Moisture Treatment Mask c-PDRN® for Hydration & Redness Relief relies on Niacinamide, Avena Sativa (Oat) Kernel Extract, and Cucumis Sativus (Cucumber) Fruit Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
Rejuran Moisture Treatment Mask c-PDRN® for Hydration & Redness Relief is better if you have
At premium pricing with a score of 8.5, Peter Thomas Roth FIRMx Collagen Moisturizer is a decent pick. Rejuran Moisture Treatment Mask c-PDRN® for Hydration & Redness Relief sits at the mid-range level with a 8.5 score — the extra cost doesn't translate to better scores here.
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.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.