Which is better: innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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 8.9/9.8 vs innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks at 8.4/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for active ingredients.

innisfree

Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks

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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks's 5.7. 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 8.8 for innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks. 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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks relies on Lactobacillus Ferment Lysate, Gluconolactone, and Niacinamide. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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 8.4, innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks 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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks

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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks

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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks​ vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Head to head

Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks​

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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks​

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 Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks​ or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks​ and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks​ and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks

Only in innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks

Which is better: innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between innisfree Rapid Vitamin C Brightening Serum for Dark Spots + Post-Breakout Marks and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?