COSRX The 6 Peptide Skin Booster Serum vs U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming
U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming scores 8.8/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming wins for active ingredients.
Head to head
The 6 Peptide Skin Booster Serum
The RETURN Eye Concentrate Eye Cream for Brightening + Firming
Score comparison
U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming edges ahead, winning 3 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
U Beauty WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
COSRX WINSFormulation Safety
COSRX WINSIngredient face-off
16% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
30 unique
Shared ingredients
10 in common
Only in U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming
52 unique
Why U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming comes out ahead
Where U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming really shines is active ingredient strength, scoring 5.3 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Dipotassium Glycyrrhizate, Tocopheryl Acetate, and Tocopherol in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming scores 9.8 here versus 9.2 for COSRX The 6 Peptide Skin Booster Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming brings Dipotassium Glycyrrhizate, Tocopheryl Acetate, and Tocopherol 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
U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming 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. U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming sits at the luxury level with a 8.8 score — the higher investment pays off in formulation quality.
Our verdict
U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming 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 U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming?
Based on ingredient analysis, U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming 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 U Beauty The RETURN Eye Concentrate Eye Cream for Brightening + Firming?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.