COSRX The Blue Peptide Bakuchiol Plump Glow Serum vs SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.0/9.8 vs SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml at 8.4/9.8. COSRX The Blue Peptide Bakuchiol Plump Glow Serum wins for active ingredients.
Head to head

The Blue Peptide Bakuchiol Plump Glow Serum

GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
Score comparison
COSRX The Blue Peptide Bakuchiol Plump Glow 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
SK-II WINSFormulation Safety
COSRX WINSIngredient face-off
14% overlapOnly in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
31 unique
Only in SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml
29 unique
Why COSRX The Blue Peptide Bakuchiol Plump Glow Serum comes out ahead
Where COSRX The Blue Peptide Bakuchiol Plump Glow Serum really shines is active ingredient strength, scoring 8.3 compared to SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml's 5.3. Its formula features Niacinamide, Bakuchiol, and Adenosine in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.6 here versus 8.4 for SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml. That difference comes down to how each formula is built — the ingredient list tells the story.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum brings Niacinamide, Bakuchiol, and Adenosine as actives, while sK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml relies on Galactomyces Ferment Filtrate, Niacinamide, and Bisabolol. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The Blue Peptide Bakuchiol Plump Glow Serum 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 — Niacinamide does the heavy lifting
SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml 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
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 9.0, COSRX The Blue Peptide Bakuchiol Plump Glow Serum delivers strong value. SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml sits at the luxury level with a 8.4 score — the extra cost doesn't translate to better scores here.
Our verdict
COSRX The Blue Peptide Bakuchiol Plump Glow Serum edges ahead with a slightly stronger formulation, but SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml is still a solid pick.


Frequently asked questions
Which is better: COSRX The Blue Peptide Bakuchiol Plump Glow Serum or SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml?
Based on ingredient analysis, COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The Blue Peptide Bakuchiol Plump Glow Serum and SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml 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 Blue Peptide Bakuchiol Plump Glow Serum and SK-II GenOptics Infinitaura Brightening Serum with Niacinamide, 30ml?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.