Which is better: innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

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 innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-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 innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-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.

innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 9.3/9.8 vs innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging at 8.5/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for active ingredients.

innisfree

Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

serummid-range

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 active ingredient strength, scoring 7.7 compared to innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging's 4.5. 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 Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 9.4 here versus 7.0 for innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging. 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 innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging relies on Niacinamide, Allantoin, and Tocopherol. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Dry or dehydrated skin that craves moisture, thanks to Glycerin
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

At mid-range pricing with a score of 8.5, innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging is a decent pick. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide sits at the premium level with a 9.3 score — the higher investment pays off in formulation quality.

innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Attribute battle

Hydration Efficacy

Irritation Risk

Active Ingredient Strength

Ingredient Transparency

Formulation Safety

Ingredient face-off

Only in innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

Shared ingredients

Only in Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Why Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide comes out ahead

Best for your skin type

Value comparison

Frequently asked questions

Which is better: innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Head to head

Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Score comparison

Attribute battle

Hydration Efficacy

Irritation Risk

Active Ingredient Strength

Ingredient Transparency

Formulation Safety

Ingredient face-off

Only in innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging

Shared ingredients

Only in Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Why Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide comes out ahead

Best for your skin type

Value comparison

Our verdict

Frequently asked questions

Which is better: innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Retinol Green Tea PDRN™ Korean Firming & Smoothing Serum for Slow-Aging and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?