COSRX The 6 Peptide Skin Booster Serum vs The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid
The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid scores 8.8/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid wins for hydration.
Head to head
The 6 Peptide Skin Booster Serum
360 Acne Clearing Serum with Dioic & Salicylic Acid
Score comparison
The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid edges ahead, winning 3 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
18% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
33 unique
Shared ingredients
7 in common
Only in The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid
20 unique
Why The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid comes out ahead
Where The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid really shines is hydration efficacy, scoring 7.5 compared to COSRX The 6 Peptide Skin Booster Serum's 9.2. With Glycerin, Propanediol, and Panthenol in its top ingredients, The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 6.5 here versus 5.3 for The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid. That difference comes down to how each formula is built — the ingredient list tells the story.
The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid brings Salicylic Acid, Zinc Pca, and Lactic Acid 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 INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Anyone who prefers clean, well-vetted formulations
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid gets the nod here with its 8.8 overall score — you're getting more for a similar outlay.
Our verdict
The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid 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 INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid?
Based on ingredient analysis, The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and The INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid 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 INKEY List 360 Acne Clearing Serum with Dioic & Salicylic Acid?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.