Jack Black Protein Booster Skin Serum vs Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide
Jack Black Protein Booster Skin Serum scores 8.5/9.8 and Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide scores 8.7/9.8 — a near-tie where your skin type decides the winner.
Head to head
Protein Booster Skin Serum
The Neck Serum - Firming Serum With 7.5% Peptide
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Jack Black WINSIrritation Risk
TIEActive Ingredient Strength
Nécessaire WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
26% overlapOnly in Jack Black Protein Booster Skin Serum
21 unique
Shared ingredients
8 in common
Only in Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide
23 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.
Hydration Efficacy is another area of separation. Jack Black Protein Booster Skin Serum scores 7.8 here versus 5.8 for Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide. That difference comes down to how each formula is built — the ingredient list tells the story.
Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide brings Niacinamide, Acetyl Hexapeptide-8, and Palmitoyl Hexapeptide-12 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
Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide 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
Both sit in the premium bracket, so value comes down to formulation quality. Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide gets the nod here with its 8.7 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: Jack Black Protein Booster Skin Serum or Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide?
Based on ingredient analysis, Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide scores higher overall. See the full score breakdown above for details on each attribute.
Do Jack Black Protein Booster Skin Serum and Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide 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 Nécessaire The Neck Serum - Firming Serum With 7.5% Peptide?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.