Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration vs medicube Deep Vita A Retinol Serum
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores 9.3/9.8 vs medicube Deep Vita A Retinol Serum at 8.6/9.8. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration wins for hydration.
Head to head

O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration

Deep Vita A Retinol Serum
Score comparison
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
medicube WINSIrritation Risk
TIEActive Ingredient Strength
Element Eight WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
11% overlapOnly in Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration
25 unique
Shared ingredients
6 in common
Only in medicube Deep Vita A Retinol Serum
47 unique
Why Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration comes out ahead
Where Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration really shines is hydration efficacy, scoring 6.9 compared to medicube Deep Vita A Retinol Serum's 9.8. With Glycerin, Pentylene Glycol, and Sodium Hyaluronate in its top ingredients, Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores 8.8 here versus 6.7 for medicube Deep Vita A Retinol Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration brings Niacinamide, Acetyl Hexapeptide-8, and Pentapeptide-18 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
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
- Anyone who prefers clean, well-vetted formulations
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
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration comes in at luxury pricing with a 9.3 score, which is solid value at that tier.
Our verdict
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration edges ahead with a slightly stronger formulation, but medicube Deep Vita A Retinol Serum is still a solid pick.


Frequently asked questions
Which is better: Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration or medicube Deep Vita A Retinol Serum?
Based on ingredient analysis, Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores higher overall. See the full score breakdown above for details on each attribute.
Do Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration 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 Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration 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.