Jack Black Protein Booster Skin Serum vs Paula's Choice Clinical 1% Retinol Treatment
Jack Black Protein Booster Skin Serum scores 8.5/9.8 and Paula's Choice Clinical 1% Retinol Treatment scores 8.7/9.8 — a near-tie where your skin type decides the winner.
Head to head
Protein Booster Skin Serum
Clinical 1% Retinol Treatment
Score comparison
These two are neck and neck — just 0.2 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Paula's Choice WINSIrritation Risk
TIEActive Ingredient Strength
Paula's Choice WINSIngredient Transparency
Paula's Choice WINSFormulation Safety
TIEIngredient face-off
19% overlapOnly in Jack Black Protein Booster Skin Serum
20 unique
Shared ingredients
9 in common
Only in Paula's Choice Clinical 1% Retinol Treatment
38 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.
Active Ingredient Strength is another area of separation. Paula's Choice Clinical 1% Retinol Treatment scores 7.1 here versus 5.3 for Jack Black Protein Booster Skin Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Paula's Choice Clinical 1% Retinol Treatment brings Retinol, Tetrahexyldecyl Ascorbate, and Palmitoyl Oligopeptide 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
Paula's Choice Clinical 1% Retinol Treatment 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 — Retinol 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. Paula's Choice Clinical 1% Retinol Treatment sits at the mid-range level with a 8.7 score — the higher investment pays off in formulation quality.
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 Paula's Choice Clinical 1% Retinol Treatment?
Based on ingredient analysis, Paula's Choice Clinical 1% Retinol Treatment scores higher overall. See the full score breakdown above for details on each attribute.
Do Jack Black Protein Booster Skin Serum and Paula's Choice Clinical 1% Retinol Treatment 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 Paula's Choice Clinical 1% Retinol Treatment?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.