Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide vs The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 9.3/9.8 vs The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity at 8.8/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for hydration.
Head to head
Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity
Score comparison
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Kiehl's Since 1851 WINSIrritation Risk
TIEActive Ingredient Strength
The Ordinary WINSIngredient Transparency
The Ordinary WINSFormulation Safety
TIEIngredient face-off
23% overlapOnly in Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
29 unique
Shared ingredients
10 in common
Only in The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity
34 unique
Why Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide comes out ahead
Where Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide really shines is hydration efficacy, scoring 9.4 compared to The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity's 8.1. 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. The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity scores 8.2 here versus 7.7 for Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide. 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 the Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity relies on Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Targeting specific concerns like aging or uneven tone — Acetyl Hexapeptide-8 does the heavy lifting
Value comparison
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide comes in at premium pricing with a 9.3 score, which is solid value at that tier.
Our verdict
Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide edges ahead with a slightly stronger formulation, but The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity is still a solid pick.
Frequently asked questions
Which is better: Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide or The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity?
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.
Do Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide and The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide and The Ordinary Multi-Peptide + Copper Peptides 1% for Wrinkles and Skin Elasticity?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.