COSRX The 6 Peptide Skin Booster Serum vs Peace Out Salicylic Acid Acne Treatment Serum
Peace Out Salicylic Acid Acne Treatment Serum scores 8.9/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. Peace Out Salicylic Acid Acne Treatment Serum wins for hydration.
Head to head

The 6 Peptide Skin Booster Serum

Salicylic Acid Acne Treatment Serum
Score comparison
Peace Out Salicylic Acid Acne Treatment Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
23% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
31 unique
Shared ingredients
9 in common
Only in Peace Out Salicylic Acid Acne Treatment Serum
23 unique
Why Peace Out Salicylic Acid Acne Treatment Serum comes out ahead
Where Peace Out Salicylic Acid Acne Treatment Serum really shines is hydration efficacy, scoring 6.0 compared to COSRX The 6 Peptide Skin Booster Serum's 9.2. With Propanediol, Isopentyldiol, and Butylene Glycol in its top ingredients, Peace Out Salicylic Acid Acne Treatment Serum delivers stronger moisture-binding capability.
Ingredient Transparency is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 8.8 here versus 8.5 for Peace Out Salicylic Acid Acne Treatment Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Peace Out Salicylic Acid Acne Treatment Serum brings Niacinamide, Zinc Pca, and Potassium Azeloyl Diglycinate 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
Peace Out Salicylic Acid Acne Treatment Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. Peace Out Salicylic Acid Acne Treatment Serum gets the nod here with its 8.9 overall score — you're getting more for a similar outlay.
Our verdict
Peace Out Salicylic Acid Acne Treatment Serum 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 Peace Out Salicylic Acid Acne Treatment Serum?
Based on ingredient analysis, Peace Out Salicylic Acid Acne Treatment Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and Peace Out Salicylic Acid Acne Treatment 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 6 Peptide Skin Booster Serum and Peace Out Salicylic Acid Acne Treatment Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.