Farmacy 1% Vitamin A Retinol Serum vs Jack Black Protein Booster Skin Serum
Farmacy 1% Vitamin A Retinol Serum scores 9.1/9.8 vs Jack Black Protein Booster Skin Serum at 8.5/9.8. Farmacy 1% Vitamin A Retinol Serum wins for hydration.
Head to head
1% Vitamin A Retinol Serum
Protein Booster Skin Serum
Score comparison
Farmacy 1% Vitamin A Retinol Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Farmacy WINSIrritation Risk
TIEActive Ingredient Strength
Farmacy WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
18% overlapOnly in Farmacy 1% Vitamin A Retinol Serum
33 unique
Shared ingredients
7 in common
Only in Jack Black Protein Booster Skin Serum
22 unique
Why Farmacy 1% Vitamin A Retinol Serum comes out ahead
Where Farmacy 1% Vitamin A Retinol Serum really shines is hydration efficacy, scoring 8.6 compared to Jack Black Protein Booster Skin Serum's 7.8. With Glycerin, Isopentyldiol, and Panthenol in its top ingredients, Farmacy 1% Vitamin A Retinol Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Farmacy 1% Vitamin A Retinol Serum scores 5.9 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.
Farmacy 1% Vitamin A Retinol Serum brings Ceramide Np, Tocopherol, and Retinol 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
Farmacy 1% Vitamin A Retinol 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
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
Value comparison
Both sit in the premium bracket, so value comes down to formulation quality. Farmacy 1% Vitamin A Retinol Serum gets the nod here with its 9.1 overall score — you're getting more for a similar outlay.
Our verdict
Farmacy 1% Vitamin A Retinol Serum 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: Farmacy 1% Vitamin A Retinol Serum or Jack Black Protein Booster Skin Serum?
Based on ingredient analysis, Farmacy 1% Vitamin A Retinol Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Farmacy 1% Vitamin A Retinol Serum and Jack Black Protein Booster Skin Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Farmacy 1% Vitamin A Retinol Serum and Jack Black Protein Booster Skin Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.