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Clarins Smooth, Glow-Up & Go Set scores 8.7/9.8 and Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 8.9/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.2 points apart.
Scores last verified: June 2026
54 unique
12 in common
30 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.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum brings Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine as actives, while clarins Smooth, Glow-Up & Go Set relies on Niacinamide, Extract, and Tocopheryl Acetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Clarins Smooth, Glow-Up & Go Set is better if you have
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum is better if you have
At mid-range pricing with a score of 8.7, Clarins Smooth, Glow-Up & Go Set is a decent pick. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum sits at the premium level with a 8.9 score — the higher investment pays off in formulation quality.
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, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum 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.
Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.