COSRX The 6 Peptide Skin Booster Serum vs The Ordinary Buffet
The Ordinary Buffet scores 8.9/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. The Ordinary Buffet wins for active ingredients.
Head to head
The 6 Peptide Skin Booster Serum
Score comparison
The Ordinary Buffet edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
The Ordinary WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
42% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
20 unique
Shared ingredients
20 in common
Only in The Ordinary Buffet
28 unique
Why The Ordinary Buffet comes out ahead
Where The Ordinary Buffet really shines is active ingredient strength, scoring 8.4 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1 in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 9.2 here versus 8.7 for The Ordinary Buffet. That difference comes down to how each formula is built — the ingredient list tells the story.
The Ordinary Buffet brings Acetyl Hexapeptide-8, Pentapeptide-18, and Palmitoyl Tripeptide-1 as actives, while cOSRX The 6 Peptide Skin Booster Serum relies on Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate. 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
The Ordinary Buffet is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Targeting specific concerns like aging or uneven tone — Acetyl Hexapeptide-8 does the heavy lifting
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. The Ordinary Buffet sits at the budget level with a 8.9 score — the higher investment pays off in formulation quality.
Our verdict
The Ordinary Buffet edges ahead with a slightly stronger formulation, but COSRX The 6 Peptide Skin Booster Serum is still a solid pick.
Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or The Ordinary Buffet?
Based on ingredient analysis, The Ordinary Buffet scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and The Ordinary Buffet 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 The Ordinary Buffet?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
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