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Medicube Deep Vita A… vs TIA'M TIA'M Vita B3… — Which Is Better? | Gracie

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/Medicube Deep Vita A Retinol Serum
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/TIA'M TIA'M Vita B3 Source Serum

Medicube Deep Vita A Retinol Serum vs TIA'M TIA'M Vita B3 Source Serum

Medicube Deep Vita A Retinol Serum scores 8.9/9.8 vs TIA'M TIA'M Vita B3 Source Serum at 7.3/9.8. Medicube Deep Vita A Retinol Serum wins for hydration.

Head to head

Medicube

Deep Vita A Retinol Serum

serum

8.9

Compare

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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.

TIA'M

TIA'M Vita B3 Source Serum

serumbudget

7.3

Buy at Olive Young

Score comparison

Medicube Deep Vita A Retinol Serum takes this one, winning 3 of 5 attributes.

Medicube wins 3

Tied 2

TIA'M wins 0

9.0

Medicube

TIA'M

Ingredient face-off

19% overlap

53Medicube

10Shared

12TIA'M

Only in Medicube Deep Vita A Retinol Serum

43 unique

Dipropylene Glycol Propanediol Coco-Caprylate/Caprate Squalane Polyglyceryl-3 Distearate Dimethyl Isosorbide Pentylene Glycol Hydrogenated Lecithin Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Acrylates/C10-30 Alkyl Acrylate Crosspolymer+33 more

Shared ingredients

10 in common

Water Butylene Glycol Glycerin 2-Hexanediol Niacinamide Panthenol Ethylhexylglycerin Allantoin Adenosine Sodium Hyaluronate

Only in TIA'M TIA'M Vita B3 Source Serum

2 unique

Carbomer Arginine

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 TIA'M TIA'M Vita B3 Source 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.

Active Ingredient Strength is another area of separation. Medicube Deep Vita A Retinol Serum scores 6.7 here versus 4.2 for TIA'M TIA'M Vita B3 Source 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 tIA'M TIA'M Vita B3 Source Serum relies on Niacinamide, Allantoin, and Adenosine. Both approaches have merit, but the positioning and supporting ingredients make the difference.

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

TIA'M TIA'M Vita B3 Source Serum is better if you have

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

Value comparison

TIA'M TIA'M Vita B3 Source Serum comes in at budget pricing with a 7.3 score, which is solid value at that tier.

Our verdict

✶ Our verdict

+1.6 lead

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

8.9Medicube

7.3TIA'M

Frequently asked questions

Which is better: Medicube Deep Vita A Retinol Serum or TIA'M TIA'M Vita B3 Source 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 TIA'M TIA'M Vita B3 Source 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 TIA'M TIA'M Vita B3 Source 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: TIA'M TIA'M Vita B3 Source Serum→

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