COSRX The 6 Peptide Skin Booster Serum vs innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots
innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots scores 9.7/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots wins for active ingredients.
Head to head
The 6 Peptide Skin Booster Serum
Vitamin C Brightening Serum-Infused Mask for Dark Spots
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
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
innisfree WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
26% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
28 unique
Shared ingredients
12 in common
Only in innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots
35 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 COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Niacinamide, Arginine, and Allantoin in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 9.2 here versus 8.6 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 cOSRX The 6 Peptide Skin Booster Serum relies on Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The 6 Peptide Skin Booster Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
- Anyone who prefers clean, well-vetted formulations
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
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots sits at the budget level with a 9.7 score — the higher investment pays off in formulation quality.
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: COSRX The 6 Peptide Skin Booster Serum or innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots?
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 COSRX The 6 Peptide Skin Booster Serum and innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between COSRX The 6 Peptide Skin Booster Serum and innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.