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innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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
25 unique
8 in common
16 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.
Peter Thomas Roth FIRMx Collagen Moisturizer brings Collagen, Niacinamide, and Palmitoyl Tripeptide-1 as actives, while innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks relies on Lactobacillus Ferment Lysate, Gluconolactone, and Niacinamide. Both approaches have merit, but the positioning and supporting ingredients make the difference.
innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks is better if you have
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
At mid-range pricing with a score of 8.4, innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks is a decent pick. Peter Thomas Roth FIRMx Collagen Moisturizer sits at the premium level with a 8.5 score — the higher investment pays off in formulation quality.
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.