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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.
Farmacy 1% Vitamin A Retinol Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: June 2026
32 unique
7 in common
22 unique
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.
Farmacy 1% Vitamin A Retinol Serum is better if you have
Jack Black Protein Booster Skin Serum is better if you have
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.
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.
Based on ingredient analysis, Farmacy 1% Vitamin A Retinol Serum 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.