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Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs Fig.1 Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth at 7.6/9.8. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum wins for hydration.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum takes this one, winning 2 of 5 attributes.
Scores last verified: June 2026
15 unique
37 unique
Where Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum really shines is hydration efficacy, scoring 9.6 compared to Fig.1 Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth's 5.6. With Glycerin, Butylene Glycol, and Pentylene Glycol in its top ingredients, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 7.8 here versus 5.4 for Fig.1 Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth. 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 fig.1 Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth relies on Ascorbic Acid, Tocopherol, and Ceramide Np. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Fig.1 Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth 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 7.6, Fig.1 Vitamin C 15% Refillable Treatment Serum to Brighten and Smooth 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 wins this comparison with a meaningfully stronger ingredient profile and overall score.
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.