COSRX The 6 Peptide Skin Booster Serum vs medicube Collagen Niacinamide Pads
COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and medicube Collagen Niacinamide Pads scores 8.3/9.8 — a near-tie where your skin type decides the winner.
Head to head

The 6 Peptide Skin Booster Serum
Collagen Niacinamide Pads
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
33% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
27 unique
Shared ingredients
13 in common
Only in medicube Collagen Niacinamide Pads
9 unique
Why these two are neck and neck
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
COSRX The 6 Peptide Skin Booster Serum brings Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate as actives, while medicube Collagen Niacinamide Pads relies on Niacinamide, Hydrolyzed Collagen, and Allantoin. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The 6 Peptide Skin Booster 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
medicube Collagen Niacinamide Pads 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
- Anyone who prefers clean, well-vetted formulations
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. COSRX The 6 Peptide Skin Booster Serum gets the nod here with its 8.5 overall score — you're getting more for a similar outlay.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.

Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or medicube Collagen Niacinamide Pads?
Based on ingredient analysis, COSRX The 6 Peptide Skin Booster Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and medicube Collagen Niacinamide Pads 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 6 Peptide Skin Booster Serum and medicube Collagen Niacinamide Pads?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.