COSRX The 6 Peptide Skin Booster Serum vs innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask
innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask scores 9.2/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask wins for active ingredients.
Head to head

The 6 Peptide Skin Booster Serum

Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask
Score comparison
innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
innisfree WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
30% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
25 unique
Shared ingredients
15 in common
Only in innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask
35 unique
Why innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask comes out ahead
Where innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask really shines is active ingredient strength, scoring 8.5 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Lactobacillus Ferment Lysate, Niacinamide, and Arginine 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 8.1 for innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask. That difference comes down to how each formula is built — the ingredient list tells the story.
innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask brings Lactobacillus Ferment Lysate, Niacinamide, and Arginine 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
innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Targeting specific concerns like aging or uneven tone — Lactobacillus Ferment Lysate 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. innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask sits at the budget level with a 9.2 score — the higher investment pays off in formulation quality.
Our verdict
innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask 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 innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask?
Based on ingredient analysis, innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask 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 innisfree Retinol Green Tea PDRN™ Firming & Smoothing Serum-Infused Mask?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.