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Medicube Deep Vita A Retinol Serum scores 8.9/9.8 vs Numbuzin No.5 Vitamin-Niacinamide Concentrated Serum at 7.9/9.8. Medicube Deep Vita A Retinol Serum wins for hydration.
Medicube Deep Vita A Retinol Serum takes this one, winning 2 of 5 attributes.
Scores last verified: April 2026
43 unique
10 in common
6 unique
Where Medicube Deep Vita A Retinol Serum really shines is hydration efficacy, scoring 9.8 compared to Numbuzin No.5 Vitamin-Niacinamide Concentrated Serum's 6.2. With Dipropylene Glycol, Butylene Glycol, and Glycerin in its top ingredients, Medicube Deep Vita A Retinol Serum delivers stronger moisture-binding capability.
Ingredient Transparency is another area of separation. Medicube Deep Vita A Retinol Serum scores 8.8 here versus 7.8 for Numbuzin No.5 Vitamin-Niacinamide Concentrated 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, while numbuzin No.5 Vitamin-Niacinamide Concentrated Serum relies on Niacinamide, Tranexamic Acid, and Glutathione. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Medicube Deep Vita A Retinol Serum is better if you have
Numbuzin No.5 Vitamin-Niacinamide Concentrated Serum is better if you have
Numbuzin No.5 Vitamin-Niacinamide Concentrated Serum comes in at mid-range pricing with a 7.9 score, which is solid value at that tier.
Medicube Deep Vita A Retinol Serum wins this comparison with a meaningfully stronger ingredient profile and overall score.
Based on ingredient analysis, Medicube Deep Vita A Retinol Serum scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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