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Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs Biossance Squalane + Tea Tree Balancing Oil at 6.2/9.8. 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 3 of 5 attributes.
Scores last verified: April 2026
11 unique
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Where Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum really shines is hydration efficacy, scoring 9.6 compared to Biossance Squalane + Tea Tree Balancing Oil's 3.8. 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 2.0 for Biossance Squalane + Tea Tree Balancing Oil. 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 biossance Squalane + Tea Tree Balancing Oil relies on Oryza Sativa (Rice) Bran Extract, Salix Alba (Willow) Bark Extract, and Helianthus Annuus (Sunflower) Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Biossance Squalane + Tea Tree Balancing Oil 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 6.2, Biossance Squalane + Tea Tree Balancing Oil 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.