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Jack Black Protein Booster Skin Serum scores 8.5/9.8 and Paula's Choice Clinical Niacinamide 20% Treatment scores 8.7/9.8 — a near-tie where your skin type decides the winner.
These two are neck and neck — just 0.2 points apart.
Scores last verified: June 2026
24 unique
5 in common
18 unique
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 6.8 for Paula's Choice Clinical Niacinamide 20% Treatment. That difference comes down to how each formula is built — the ingredient list tells the story.
Paula's Choice Clinical Niacinamide 20% Treatment brings Niacinamide, Acetyl Glucosamine, and Ascorbyl Glucoside 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.
Jack Black Protein Booster Skin Serum is better if you have
Paula's Choice Clinical Niacinamide 20% Treatment is better if you have
At premium pricing with a score of 8.5, Jack Black Protein Booster Skin Serum is a decent pick. Paula's Choice Clinical Niacinamide 20% Treatment sits at the mid-range level with a 8.7 score — the higher investment pays off in formulation quality.
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Based on ingredient analysis, Paula's Choice Clinical Niacinamide 20% Treatment scores higher overall. See the full score breakdown above for details on each attribute.
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.
Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.