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Medicube Deep Vita A… vs Vitamins Vitamins Ke… — Which Is Better? | Gracie

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Medicube Deep Vita A Retinol Serum vs Vitamins Vitamins Keratin Protein Hair Serum

Medicube Deep Vita A Retinol Serum scores 8.9/9.8 vs Vitamins Vitamins Keratin Protein Hair Serum at 5.8/9.8. Medicube Deep Vita A Retinol Serum wins for hydration.

Head to head

Medicube

Deep Vita A Retinol Serum

serum

8.9

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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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Vitamins

Vitamins Keratin Protein Hair Serum

serum

5.8

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Score comparison

Medicube Deep Vita A Retinol Serum takes this one, winning 4 of 5 attributes.

Medicube wins 4

Tied 1

Vitamins wins 0

53Medicube

1Shared

21Vitamins

Only in Medicube Deep Vita A Retinol Serum

52 unique

Water Dipropylene Glycol Butylene Glycol Glycerin Propanediol 2-Hexanediol Niacinamide Coco-Caprylate/Caprate Squalane Polyglyceryl-3 Distearate+42 more

Shared ingredients

1 in common

Ethylhexylglycerin

Only in Vitamins Vitamins Keratin Protein Hair Serum

20 unique

Aqua Cyclopentasiloxane Dimethicone Keratin Hydrolyzed Keratin Phenoxyethanol Parfum Hexyl Cinnamal Limonene Linalool+10 more

Why Medicube Deep Vita A Retinol Serum comes out ahead

Where Medicube Deep Vita A Retinol Serum really shines is hydration efficacy, scoring 9.8 compared to Vitamins Vitamins Keratin Protein Hair Serum's 3.7. With Dipropylene Glycol, Butylene Glycol, and Glycerin in its top ingredients, Medicube Deep Vita A Retinol Serum delivers stronger moisture-binding capability.

Active Ingredient Strength is another area of separation. Medicube Deep Vita A Retinol Serum scores 6.7 here versus 2.0 for Vitamins Vitamins Keratin Protein Hair Serum. That difference comes down to how each formula is built — the ingredient list tells the story.

Medicube Deep Vita A Retinol Serum brings Niacinamide, Allantoin, and Dipotassium Glycyrrhizate as actives, giving it an edge in targeted skincare benefits.

Best for your skin type

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

Vitamins Vitamins Keratin Protein Hair Serum is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Anyone who prefers clean, well-vetted formulations

Our verdict

✶ Our verdict

+3.1 lead

Medicube Deep Vita A Retinol Serum wins this comparison with a meaningfully stronger ingredient profile and overall score.

8.9Medicube

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5.8Vitamins

Frequently asked questions

Which is better: Medicube Deep Vita A Retinol Serum or Vitamins Vitamins Keratin Protein Hair Serum?

Based on ingredient analysis, Medicube Deep Vita A Retinol Serum scores higher overall. See the full score breakdown above for details on each attribute.

Do Medicube Deep Vita A Retinol Serum and Vitamins Vitamins Keratin Protein Hair 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 Medicube Deep Vita A Retinol Serum and Vitamins Vitamins Keratin Protein Hair Serum?

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

Full analysis: Medicube Deep Vita A Retinol Serum→Full analysis: Vitamins Vitamins Keratin Protein Hair Serum→

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