COSRX The Blue Peptide Bakuchiol Plump Glow Serum vs numbuzin No. 9 NAD Bio Lifting-sil Essence
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.0/9.8 and numbuzin No. 9 NAD Bio Lifting-sil Essence scores 8.9/9.8 — a near-tie where your skin type decides the winner.
Head to head
The Blue Peptide Bakuchiol Plump Glow Serum
No. 9 NAD Bio Lifting-sil Essence
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
TIEIrritation Risk
TIEActive Ingredient Strength
numbuzin WINSIngredient Transparency
numbuzin WINSFormulation Safety
TIEIngredient face-off
21% overlapOnly in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
20 unique
Shared ingredients
16 in common
Only in numbuzin No. 9 NAD Bio Lifting-sil Essence
60 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.
Ingredient Transparency is another area of separation. numbuzin No. 9 NAD Bio Lifting-sil Essence scores 8.8 here versus 8.5 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.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum brings Niacinamide, Bakuchiol, and Adenosine as actives, while numbuzin No. 9 NAD Bio Lifting-sil Essence relies on Niacinamide, Adenosine, and Tocopherol. 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
numbuzin No. 9 NAD Bio Lifting-sil Essence is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
Value comparison
Both sit in the mid-range bracket, so value comes down to formulation quality. COSRX The Blue Peptide Bakuchiol Plump Glow Serum gets the nod here with its 9.0 overall score — you're getting more for a similar outlay.
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 Blue Peptide Bakuchiol Plump Glow Serum or numbuzin No. 9 NAD Bio Lifting-sil Essence?
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 numbuzin No. 9 NAD Bio Lifting-sil Essence 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 numbuzin No. 9 NAD Bio Lifting-sil Essence?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.