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Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.0/9.8 vs Hyphen All I Need Sunscreen SPF 50 PA++++ 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 2 of 5 attributes.
Scores last verified: April 2026
29 unique
6 in common
36 unique
Where Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum really shines is active ingredient strength, scoring 7.8 compared to Hyphen All I Need Sunscreen SPF 50 PA++++'s 5.4. Its formula features Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores 9.6 here versus 7.8 for Hyphen All I Need Sunscreen SPF 50 PA++++. 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 hyphen All I Need Sunscreen SPF 50 PA++++ relies on Niacinamide, Ceramide Np, and Ceramide Ap. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Hyphen All I Need Sunscreen SPF 50 PA++++ is better if you have
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum is better if you have
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum comes in at premium pricing with a 9.0 score, which is solid value at that tier.
Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum edges ahead with a slightly stronger formulation, but Hyphen All I Need Sunscreen SPF 50 PA++++ 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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