COSRX The Blue Peptide Bakuchiol Plump Glow Serum vs Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores 9.3/9.8 vs COSRX The Blue Peptide Bakuchiol Plump Glow Serum at 9.0/9.8. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration wins for hydration.
Head to head

The Blue Peptide Bakuchiol Plump Glow Serum

O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration
Score comparison
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
Element Eight WINSIngredient Transparency
Element Eight WINSFormulation Safety
TIEIngredient face-off
22% overlapOnly in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
28 unique
Shared ingredients
8 in common
Only in Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration
23 unique
Why Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration comes out ahead
Where Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration really shines is hydration efficacy, scoring 6.9 compared to COSRX The Blue Peptide Bakuchiol Plump Glow Serum's 9.6. With Glycerin, Pentylene Glycol, and Sodium Hyaluronate in its top ingredients, Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores 8.8 here versus 8.3 for COSRX The Blue Peptide Bakuchiol Plump Glow Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration brings Niacinamide, Acetyl Hexapeptide-8, and Pentapeptide-18 as actives, while cOSRX The Blue Peptide Bakuchiol Plump Glow Serum relies on Niacinamide, Bakuchiol, and Adenosine. 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
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
- 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 is a decent pick. Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration sits at the luxury level with a 9.3 score — the higher investment pays off in formulation quality.
Our verdict
Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration edges ahead with a slightly stronger formulation, but COSRX The Blue Peptide Bakuchiol Plump Glow Serum is still a solid pick.


Frequently asked questions
Which is better: COSRX The Blue Peptide Bakuchiol Plump Glow Serum or Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration?
Based on ingredient analysis, Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The Blue Peptide Bakuchiol Plump Glow Serum and Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration 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 Element Eight O₂ Niacinamide Multitasking Treatment Serum with Peptides and Hyaluronic Acid for Firming, Dark Spots, Pores and Hydration?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.