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Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 9.3/9.8 vs Some By Mi Snail Truecica Miracle Repair Serum at 8.4/9.8. 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 3 of 5 attributes.
Scores last verified: June 2026
33 unique
9 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 Some By Mi Snail Truecica Miracle Repair Serum's 7.3. 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.
Ingredient Transparency is another area of separation. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 8.5 here versus 7.8 for Some By Mi Snail Truecica Miracle Repair 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 some By Mi Snail Truecica Miracle Repair Serum relies on Snail Secretion Filtrate, Niacinamide, and Centella Asiatica Extract. 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
Some By Mi Snail Truecica Miracle Repair Serum is better if you have
At premium pricing with a score of 9.3, Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide delivers strong value. Some By Mi Snail Truecica Miracle Repair Serum sits at the budget level with a 8.4 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 Some By Mi Snail Truecica Miracle Repair 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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