innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots vs Peter Thomas Roth Potent-C™ Vitamin C Power Serum
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots scores 9.7/9.8 vs Peter Thomas Roth Potent-C™ Vitamin C Power Serum at 6.3/9.8. innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots wins for active ingredients.
Head to head
Vitamin C Brightening Serum-Infused Mask for Dark Spots
Potent-C™ Vitamin C Power Serum
Score comparison
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots takes this one, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
innisfree WINSIrritation Risk
TIEActive Ingredient Strength
innisfree WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
19% overlapOnly in innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots
38 unique
Shared ingredients
9 in common
Only in Peter Thomas Roth Potent-C™ Vitamin C Power Serum
19 unique
Why innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots comes out ahead
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 8.6 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.
Best for your skin type
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
Peter Thomas Roth Potent-C™ Vitamin C Power Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Anyone who prefers clean, well-vetted formulations
Value comparison
At budget pricing with a score of 9.7, 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 6.3 score — the extra cost doesn't translate to better scores here.
Our verdict
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots wins this comparison with a meaningfully stronger ingredient profile and overall score.
Frequently asked questions
Which is better: innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots or Peter Thomas Roth Potent-C™ Vitamin C Power Serum?
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.
Do innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots and Peter Thomas Roth Potent-C™ Vitamin C Power Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots and Peter Thomas Roth Potent-C™ Vitamin C Power Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.