Which is better: innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support 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 Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support 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.

innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Q: What's the main difference between innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support 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.

Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide scores 8.9/9.8 vs innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support at 8.6/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for active ingredients.

innisfree

Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support

serum

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 Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support's 5.6. Its formula features Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine in high positions, signalling meaningful concentrations.

Hydration Efficacy is another area of separation. innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support scores 9.8 here versus 9.4 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 innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support relies on Niacinamide, Lactobacillus Ferment Lysate, and Allantoin. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Dry or dehydrated skin that craves moisture, thanks to Propanediol
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 8.6, innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support is a decent pick. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide sits at the premium level with a 8.9 score — the higher investment pays off in formulation quality.

innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support

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 Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support

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 Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support​ vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Head to head

Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support​

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 Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support​

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 Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support​ or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support​ and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support​ and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support

Only in innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support

Which is better: innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Green Tea Hyaluronic Acid + Niacinamide Refillable Serum for Skin Barrier Support and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?