Which is better: ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles 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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles 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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles 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.

ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles 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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles at 8.6/9.8. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide wins for active ingredients.

ALPYN

Instant Brightening Peptide Eye Cream For Firming & Dark Circles

eye-carepremium

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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles's 6.9. 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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles. 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 aLPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles relies on Niacinamide, Bakuchiol, and Chamomilla Recutita (Matricaria) Flower Extract. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles 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

Both sit in the premium bracket, so value comes down to formulation quality. Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide gets the nod here with its 8.9 overall score — you're getting more for a similar outlay.

ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Instant Brightening Peptide Eye Cream For Firming & Dark Circles

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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles

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: ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles vs Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide

Head to head

Instant Brightening Peptide Eye Cream For Firming & Dark Circles

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 ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles

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: ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles or Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?

Do ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide share ingredients?

What's the main difference between ALPYN Instant Brightening Peptide Eye Cream For Firming & Dark Circles and Kiehl's Since 1851 Micro-Dose Anti-Aging Retinol Serum with Ceramides & Peptide?