COSRX The Blue Peptide Bakuchiol Plump Glow Serum vs medicube Deep Vita A Retinol Serum
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.0/9.8 vs medicube Deep Vita A Retinol Serum at 8.6/9.8. COSRX The Blue Peptide Bakuchiol Plump Glow Serum wins for active ingredients.
Head to head
The Blue Peptide Bakuchiol Plump Glow Serum
Deep Vita A Retinol Serum
Score comparison
COSRX The Blue Peptide Bakuchiol Plump Glow Serum edges ahead, winning 1 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
medicube WINSFormulation Safety
TIEIngredient face-off
30% overlapOnly in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
20 unique
Shared ingredients
16 in common
Only in medicube Deep Vita A Retinol Serum
37 unique
Why COSRX The Blue Peptide Bakuchiol Plump Glow Serum comes out ahead
Where COSRX The Blue Peptide Bakuchiol Plump Glow Serum really shines is active ingredient strength, scoring 8.3 compared to medicube Deep Vita A Retinol Serum's 6.7. Its formula features Niacinamide, Bakuchiol, and Adenosine 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 COSRX The Blue Peptide Bakuchiol Plump Glow Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum brings Niacinamide, Bakuchiol, and Adenosine 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
COSRX The Blue Peptide Bakuchiol Plump Glow Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
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
COSRX The Blue Peptide Bakuchiol Plump Glow Serum comes in at mid-range pricing with a 9.0 score, which is solid value at that tier.
Our verdict
COSRX The Blue Peptide Bakuchiol Plump Glow Serum 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: COSRX The Blue Peptide Bakuchiol Plump Glow Serum or medicube Deep Vita A Retinol Serum?
Based on ingredient analysis, COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The Blue Peptide Bakuchiol Plump Glow Serum 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 COSRX The Blue Peptide Bakuchiol Plump Glow Serum 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.