IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging scores 9.4/9.8 and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 9.3/9.8 — a near-tie where your skin type decides the winner.
Head to head
XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging
Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
Kiehl's Since 1851 WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
13% overlapOnly in IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging
23 unique
Only in Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide
34 unique
Why these two are neck and neck
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging brings Niacinamide, Allantoin, and Asiaticoside as actives, while kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide relies on Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Anyone who prefers clean, well-vetted formulations
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
Value comparison
Both sit in the premium bracket, so value comes down to formulation quality. IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging gets the nod here with its 9.4 overall score — you're getting more for a similar outlay.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Frequently asked questions
Which is better: IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?
Based on ingredient analysis, IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging scores higher overall. See the full score breakdown above for details on each attribute.
Do IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between IOPE XMD Stem III Clinical Recovery Serum PDRN Skincare for Anti-Aging and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.