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Medicube Deep Vita A Retinol Serum scores 8.9/9.8 vs Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum at 8.3/9.8. Medicube Deep Vita A Retinol Serum wins for active ingredients.
Medicube Deep Vita A Retinol Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: June 2026
44 unique
9 in common
22 unique
Where Medicube Deep Vita A Retinol Serum really shines is active ingredient strength, scoring 6.7 compared to Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum's 4.3. Its formula features Niacinamide, Allantoin, and Dipotassium Glycyrrhizate in high positions, signalling meaningful concentrations.
Ingredient Transparency is another area of separation. Medicube Deep Vita A Retinol Serum scores 8.8 here versus 8.5 for Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable 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 Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum relies on Saccharomyces Lysate, Acetyl Hexapeptide-8, and Pentapeptide-18. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Medicube Deep Vita A Retinol Serum is better if you have
Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum is better if you have
Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum comes in at premium pricing with a 8.3 score, which is solid value at that tier.
Medicube Deep Vita A Retinol Serum edges ahead with a slightly stronger formulation, but Peter Thomas Roth Peptide Skinjection™ Amplified Wrinkle-Fix Refillable Serum is still a solid pick.
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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