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Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C at 8.6/9.8. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum wins for active ingredients.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: June 2026
60 unique
8 in common
34 unique
Where Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum really shines is active ingredient strength, scoring 7.8 compared to Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C's 6.2. Its formula features Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.6 here versus 9.2 for Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C. That difference comes down to how each formula is built — the ingredient list tells the story.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum brings Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine as actives, while bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C relies on Ascorbyl Glucoside, Tocopheryl Acetate, and Niacinamide. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C is better if you have
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum is better if you have
At luxury pricing with a score of 8.6, Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C is a decent pick. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum sits at the premium level with a 9.0 score — the higher investment pays off in formulation quality.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum edges ahead with a slightly stronger formulation, but Bobbi Brown Vitamin Enriched Smoothing Serum with Niacinamide + Vitamin C is still a solid pick.
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.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.