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Kiehl's Retinol Skin… vs Medicube Deep Vita A… — Which Is Better? | Gracie

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/Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum
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/Medicube Deep Vita A Retinol Serum

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum vs Medicube Deep Vita A Retinol Serum

Head to head

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Kiehl's

Retinol Skin-Renewing Daily Micro-Dose Serum

serumpremium

9.0

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Ingredients

Niacinamide
Retinol
Hyaluronic Acid
Salicylic Acid

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Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.

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Medicube

Deep Vita A Retinol Serum

serum

8.9

Score comparison

These two are neck and neck — just 0.1 points apart.

Kiehl's wins 1

9.0

Kiehl's

Medicube

Ingredient face-off

19% overlap

42Kiehl's

10Shared

53Medicube

Only in Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum

32 unique

Aqua/Water Cetyl Alcohol Isohexadecane Isononyl Isononanoate Diisopropyl Sebacate 2-Oleamido-1 3-Octadecanediol Acetyl Dipeptide-1 Cetyl Ester Hydroxypalmitoyl Sphinganine Lauroyl Lysine+22 more

Shared ingredients

10 in common

Glycerin Butylene Glycol Pentylene Glycol Niacinamide Adenosine Ceramide Np Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Sodium Hyaluronate Retinol Tocopherol

Only in Medicube Deep Vita A Retinol Serum

43 unique

Water Dipropylene Glycol Propanediol 2-Hexanediol Coco-Caprylate/Caprate Squalane Polyglyceryl-3 Distearate Dimethyl Isosorbide Panthenol Hydrogenated Lecithin+33 more

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.

Ingredient Transparency is another area of separation. Medicube Deep Vita A Retinol Serum scores 8.8 here versus 8.5 for Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum. That difference comes down to how each formula is built — the ingredient list tells the story.

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum brings Niacinamide, Acetyl Dipeptide-1 Cetyl Ester, and Adenosine as actives, while medicube Deep Vita A Retinol Serum relies on Niacinamide, Allantoin, and Dipotassium Glycyrrhizate. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum 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

Medicube Deep Vita A Retinol Serum is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
Anyone who prefers clean, well-vetted formulations

Value comparison

Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum comes in at premium pricing with a 9.0 score, which is solid value at that tier.

Our verdict

✶ 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.

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9.0Kiehl's

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8.9Medicube

Frequently asked questions

Which is better: Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum or Medicube Deep Vita A Retinol Serum?

Based on ingredient analysis, Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum scores higher overall. See the full score breakdown above for details on each attribute.

Do Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum and Medicube Deep Vita A Retinol Serum share ingredients?

Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.

What's the main difference between Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum and Medicube Deep Vita A Retinol Serum?

The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.

Full analysis: Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum→Full analysis: Medicube Deep Vita A Retinol Serum→

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