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Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 8.9/9.8 vs Naturium Vitamin C Complex Serum at 8.2/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for hydration.
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead, winning 2 of 5 attributes.
Scores last verified: June 2026
32 unique
7 in common
21 unique
Where Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide really shines is hydration efficacy, scoring 9.4 compared to Naturium Vitamin C Complex Serum's 7.5. With Glycerin, Butylene Glycol, and Pentylene Glycol in its top ingredients, Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 7.7 here versus 6.3 for Naturium Vitamin C Complex Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide brings Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine as actives, while naturium Vitamin C Complex Serum relies on Sodium Ascorbyl Phosphate, Ascorbic Acid, and Glutathione. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide is better if you have
Naturium Vitamin C Complex Serum is better if you have
At premium pricing with a score of 8.9, Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide delivers strong value. Naturium Vitamin C Complex Serum sits at the budget level with a 8.2 score — the extra cost doesn't translate to better scores here.
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead with a slightly stronger formulation, but Naturium Vitamin C Complex Serum is still a solid pick.
Based on ingredient analysis, Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide 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.