COSRX The 6 Peptide Skin Booster Serum vs Farmacy 1% Vitamin A Retinol Serum
Farmacy 1% Vitamin A Retinol Serum scores 9.1/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. Farmacy 1% Vitamin A Retinol Serum wins for hydration.
Head to head
The 6 Peptide Skin Booster Serum
1% Vitamin A Retinol Serum
Score comparison
Farmacy 1% Vitamin A Retinol Serum 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 Farmacy 1% Vitamin A Retinol Serum
33 unique
Why Farmacy 1% Vitamin A Retinol Serum comes out ahead
Where Farmacy 1% Vitamin A Retinol Serum really shines is hydration efficacy, scoring 8.6 compared to COSRX The 6 Peptide Skin Booster Serum's 9.2. With Glycerin, Isopentyldiol, and Panthenol in its top ingredients, Farmacy 1% Vitamin A Retinol Serum 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 5.9 for Farmacy 1% Vitamin A Retinol Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Farmacy 1% Vitamin A Retinol Serum brings Ceramide Np, Tocopherol, and Retinol 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
Farmacy 1% Vitamin A Retinol Serum 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
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. Farmacy 1% Vitamin A Retinol Serum sits at the premium level with a 9.1 score — the higher investment pays off in formulation quality.
Our verdict
Farmacy 1% Vitamin A Retinol 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 Farmacy 1% Vitamin A Retinol Serum?
Based on ingredient analysis, Farmacy 1% Vitamin A Retinol Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and Farmacy 1% Vitamin A Retinol 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 Farmacy 1% Vitamin A Retinol Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.