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innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots scores 9.1/9.8 vs Peter Thomas Roth FIRMx Collagen Moisturizer at 8.5/9.8. innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots wins for active ingredients.
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots edges ahead, winning 1 of 5 attributes.
Scores last verified: June 2026
38 unique
8 in common
16 unique
Where innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots really shines is active ingredient strength, scoring 9.8 compared to Peter Thomas Roth FIRMx Collagen Moisturizer's 5.9. Its formula features Niacinamide, Arginine, and Allantoin in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Peter Thomas Roth FIRMx Collagen Moisturizer scores 9.1 here versus 8.5 for innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots brings Niacinamide, Arginine, and Allantoin 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.
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots is better if you have
Peter Thomas Roth FIRMx Collagen Moisturizer is better if you have
At budget pricing with a score of 9.1, innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots 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.
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots edges ahead with a slightly stronger formulation, but Peter Thomas Roth FIRMx Collagen Moisturizer is still a solid pick.
Based on ingredient analysis, innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots 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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