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innisfree Vitamin C Brightening Serum-Infused Mask for Dark Spots scores 9.1/9.8 and Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.1 points apart.
Scores last verified: June 2026
39 unique
7 in common
35 unique
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Hydration Efficacy is another area of separation. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.6 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 kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum relies on Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine. 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
Kiehl's Retinol Skin-Renewing Daily Micro-Dose 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. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum sits at the premium level with a 9.0 score — the extra cost doesn't translate to better scores here.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
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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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.