COSRX The 6 Peptide Skin Booster Serum vs Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment
COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment scores 8.3/9.8 — a near-tie where your skin type decides the winner.
Head to head
The 6 Peptide Skin Booster Serum
The Texture Tonic AHA Liquid Exfoliating Treatment
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
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 Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment
21 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.
Active Ingredient Strength is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 6.5 here versus 5.3 for Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment. That difference comes down to how each formula is built — the ingredient list tells the story.
COSRX The 6 Peptide Skin Booster Serum brings Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate as actives, while tatcha The Texture Tonic AHA Liquid Exfoliating Treatment relies on Niacinamide, Camellia Sinensis Leaf Extract, and Cladosiphon Okamuranus Extract. 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
Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum delivers strong value. Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment sits at the premium level with a 8.3 score — the extra cost doesn't translate to better scores here.
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 Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment?
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 Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment 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 Tatcha The Texture Tonic AHA Liquid Exfoliating Treatment?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.