✶

Medicube Deep Vita A… vs Peter Thomas Roth Po… — Which Is Better? | Gracie

Products
Ingredients
Brands
K-Beauty
Blog
How We Score

Gracie
/Compare
/Medicube Deep Vita A Retinol Serum
/vs
/Peter Thomas Roth Potent-C Power Serum

Medicube Deep Vita A Retinol Serum vs Peter Thomas Roth Potent-C Power Serum

Medicube Deep Vita A Retinol Serum scores 8.9/9.8 vs Peter Thomas Roth Potent-C Power Serum at 7.2/9.8. Medicube Deep Vita A Retinol Serum wins for hydration.

Head to head

Medicube

Deep Vita A Retinol Serum

serum

8.9

Compare

Best Moisturisers
Best Serums
Best Cleansers
Best SPF

Ingredients

Niacinamide
Retinol
Hyaluronic Acid
Salicylic Acid

K-Beauty

K-Beauty Hub
K-Beauty Moisturisers
K-Beauty Serums
K-Beauty Sunscreens

About

Methodology
About Us
All Brands
All Products

Gracie

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

✶

Peter Thomas Roth

Potent-C Power Serum

serumpremium

7.2

Buy at Amazon

Score comparison

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

Medicube wins 3

Tied 2

Peter Thomas Roth wins 0

9.0

Medicube

Peter Thomas Roth

Ingredient face-off

11% overlap

53Medicube

6Shared

14Peter Thomas Roth

Only in Medicube Deep Vita A Retinol Serum

47 unique

Water Dipropylene Glycol Butylene Glycol 2-Hexanediol Niacinamide Coco-Caprylate/Caprate Polyglyceryl-3 Distearate Dimethyl Isosorbide Pentylene Glycol Panthenol+37 more

Shared ingredients

6 in common

Glycerin Propanediol Squalane Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer Ethylhexylglycerin Sodium Hyaluronate

Only in Peter Thomas Roth Potent-C Power Serum

8 unique

Water/Aqua/Eau Ascorbic Acid Ferulic Acid Ectoin Bisabolol Polysorbate 60 Isohexadecane Phenoxyethanol

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 Peter Thomas Roth Potent-C Power Serum's 5.5. 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 5.0 for Peter Thomas Roth Potent-C Power 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 peter Thomas Roth Potent-C Power Serum relies on Ascorbic Acid and Bisabolol. 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

Peter Thomas Roth Potent-C Power Serum is better if you have

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

Value comparison

Peter Thomas Roth Potent-C Power Serum comes in at premium pricing with a 7.2 score, which is solid value at that tier.

Our verdict

✶ Our verdict

+1.7 lead

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

8.9Medicube

✶

7.2Peter Thomas Roth

Frequently asked questions

Which is better: Medicube Deep Vita A Retinol Serum or Peter Thomas Roth Potent-C Power 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 Peter Thomas Roth Potent-C Power 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 Peter Thomas Roth Potent-C Power 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: Peter Thomas Roth Potent-C Power Serum→

We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.

Some links on this site are affiliate links. We may earn a commission from purchases made through our links, at no extra cost to you. This helps us keep Gracie free and independent.