Jack Black Protein Booster Skin Serum vs numbuzin No.5 Vitamin-Niacinamide Concentrated Pad
numbuzin No.5 Vitamin-Niacinamide Concentrated Pad scores 8.9/9.8 vs Jack Black Protein Booster Skin Serum at 8.5/9.8. numbuzin No.5 Vitamin-Niacinamide Concentrated Pad wins for active ingredients.
Head to head

Protein Booster Skin Serum
No.5 Vitamin-Niacinamide Concentrated Pad
Score comparison
numbuzin No.5 Vitamin-Niacinamide Concentrated Pad edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Jack Black WINSIrritation Risk
TIEActive Ingredient Strength
numbuzin WINSIngredient Transparency
numbuzin WINSFormulation Safety
TIEIngredient face-off
14% overlapOnly in Jack Black Protein Booster Skin Serum
25 unique
Only in numbuzin No.5 Vitamin-Niacinamide Concentrated Pad
21 unique
Why numbuzin No.5 Vitamin-Niacinamide Concentrated Pad comes out ahead
Where numbuzin No.5 Vitamin-Niacinamide Concentrated Pad really shines is active ingredient strength, scoring 9.8 compared to Jack Black Protein Booster Skin Serum's 5.3. Its formula features Niacinamide, Ascorbyl Glucoside, and Ascorbic Acid in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. Jack Black Protein Booster Skin Serum scores 7.8 here versus 7.1 for numbuzin No.5 Vitamin-Niacinamide Concentrated Pad. That difference comes down to how each formula is built — the ingredient list tells the story.
numbuzin No.5 Vitamin-Niacinamide Concentrated Pad brings Niacinamide, Ascorbyl Glucoside, and Ascorbic Acid as actives, while jack Black Protein Booster Skin Serum relies on Camellia Sinensis Leaf Extract, Dipeptide Diaminobutyroyl Benzylamide Diacetate, and Retinyl Palmitate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Jack Black Protein Booster Skin Serum 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
numbuzin No.5 Vitamin-Niacinamide Concentrated Pad 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
Value comparison
At premium pricing with a score of 8.5, Jack Black Protein Booster Skin Serum is a decent pick. numbuzin No.5 Vitamin-Niacinamide Concentrated Pad sits at the mid-range level with a 8.9 score — the higher investment pays off in formulation quality.
Our verdict
numbuzin No.5 Vitamin-Niacinamide Concentrated Pad edges ahead with a slightly stronger formulation, but Jack Black Protein Booster Skin Serum is still a solid pick.

Frequently asked questions
Which is better: Jack Black Protein Booster Skin Serum or numbuzin No.5 Vitamin-Niacinamide Concentrated Pad?
Based on ingredient analysis, numbuzin No.5 Vitamin-Niacinamide Concentrated Pad scores higher overall. See the full score breakdown above for details on each attribute.
Do Jack Black Protein Booster Skin Serum and numbuzin No.5 Vitamin-Niacinamide Concentrated Pad share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Jack Black Protein Booster Skin Serum and numbuzin No.5 Vitamin-Niacinamide Concentrated Pad?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.