innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles vs Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles
innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles scores 8.9/9.8 vs Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles at 6.3/9.8. innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles wins for active ingredients.
Head to head
Vitamin C Niacinamide Brightening Eye Serum for Dark Circles
Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles
Score comparison
innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles 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
23% overlapOnly in innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles
23 unique
Shared ingredients
7 in common
Only in Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles
18 unique
Why innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles comes out ahead
Where innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles really shines is active ingredient strength, scoring 6.1 compared to Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles's 4.4. Its formula features Niacinamide, Protease, and Acetyl Heptapeptide-4 in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles scores 6.9 here versus 6.2 for Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles brings Niacinamide, Protease, and Acetyl Heptapeptide-4 as actives, while peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles relies on Palmitoyl Tetrapeptide-7, Tocopheryl Acetate, and Ascorbic Acid. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles gets the nod here with its 8.9 overall score — you're getting more for a similar outlay.
Our verdict
innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles wins this comparison with a meaningfully stronger ingredient profile and overall score.
Frequently asked questions
Which is better: innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles or Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles?
Based on ingredient analysis, innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles scores higher overall. See the full score breakdown above for details on each attribute.
Do innisfree Vitamin C Niacinamide Brightening Eye Serum for Dark Circles and Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles 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 Niacinamide Brightening Eye Serum for Dark Circles and Peter Thomas Roth Instant FIRMx® Eye Temporary Eye Tightener Easy-Wear Formula for Firming Under-Eye Bags & Wrinkles?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.