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innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots scores 9.1/9.8 vs Peter Thomas Roth Potent-C™ Vitamin C Power Serum at 7.6/9.8. innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots wins for active ingredients.
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots takes this one, winning 2 of 5 attributes.
Scores last verified: June 2026
37 unique
9 in common
19 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 Potent-C™ Vitamin C Power Serum's 3.6. Its formula features Niacinamide, Arginine, and Allantoin in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots scores 8.5 here versus 7.5 for Peter Thomas Roth Potent-C™ Vitamin C Power Serum. 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 Potent-C™ Vitamin C Power Serum relies on Tetrahexyldecyl Ascorbate, Tocopheryl Acetate, and Zingiber Officinale (Ginger) Root Extract. 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 Potent-C™ Vitamin C Power Serum 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 Potent-C™ Vitamin C Power Serum sits at the luxury level with a 7.6 score — the extra cost doesn't translate to better scores here.
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots wins this comparison with a meaningfully stronger ingredient profile and overall score.
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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