COSRX The 6 Peptide Skin Booster Serum vs OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide
COSRX The 6 Peptide Skin Booster Serum scores 8.5/9.8 and OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide scores 8.6/9.8 — a near-tie where your skin type decides the winner.
Head to head

The 6 Peptide Skin Booster Serum

Jelly Brightening Serum with Vitamin C and Niacinamide
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
TIEFormulation Safety
COSRX WINSIngredient face-off
28% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
29 unique
Shared ingredients
11 in common
Only in OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide
17 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 4.9 for OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide. That difference comes down to how each formula is built — the ingredient list tells the story.
OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide brings Niacinamide, Arginine, and Allantoin 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
OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide 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 is a decent pick. OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide sits at the premium level with a 8.6 score — the higher investment pays off in formulation quality.
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 OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide?
Based on ingredient analysis, OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide 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 OLIVIAUMMA Jelly Brightening Serum with Vitamin C and Niacinamide?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.