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Naturium Vitamin C Super Serum Plus scores 8.7/9.8 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 0.2 points apart.
Scores last verified: April 2026
24 unique
7 in common
17 unique
These two serums 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. Peter Thomas Roth FIRMx Collagen Moisturizer scores 9.1 here versus 8.2 for Naturium Vitamin C Super Serum Plus. That difference comes down to how each formula is built — the ingredient list tells the story.
Naturium Vitamin C Super Serum Plus brings Niacinamide, Ascorbic Acid, and Glutathione as actives, while peter Thomas Roth FIRMx Collagen Moisturizer relies on Collagen, Niacinamide, and Palmitoyl Tripeptide-1. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Naturium Vitamin C Super Serum Plus is better if you have
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
At budget pricing with a score of 8.7, Naturium Vitamin C Super Serum Plus delivers strong value. Peter Thomas Roth FIRMx Collagen Moisturizer sits at the premium 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, Naturium Vitamin C Super Serum Plus 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.