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Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs Paula's Choice Calm Redness Relief Moisturizer at 8.1/9.8. 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 1 of 5 attributes.
Scores last verified: April 2026
32 unique
10 in common
27 unique
Where Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum really shines is active ingredient strength, scoring 7.8 compared to Paula's Choice Calm Redness Relief Moisturizer's 3.0. Its formula features Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine in high positions, signalling meaningful concentrations.
Ingredient Transparency is another area of separation. Paula's Choice Calm Redness Relief Moisturizer scores 8.8 here versus 8.5 for Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum. 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 paula's Choice Calm Redness Relief Moisturizer relies on Ceramide Np, Tocopherol, and Avena Sativa (Oat) Kernel Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum is better if you have
Paula's Choice Calm Redness Relief Moisturizer is better if you have
At premium pricing with a score of 9.0, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum delivers strong value. Paula's Choice Calm Redness Relief Moisturizer sits at the mid-range level with a 8.1 score — the extra cost doesn't translate to better scores here.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum edges ahead with a slightly stronger formulation, but Paula's Choice Calm Redness Relief Moisturizer 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.