Isntree TW-Real Bifida Ampoule vs Jack Black Protein Booster Skin Serum
Isntree TW-Real Bifida Ampoule scores 8.3/9.8 and Jack Black Protein Booster Skin Serum scores 8.5/9.8 — a near-tie where your skin type decides the winner.
Head to head

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Isntree TW-Real Bifida Ampoule scores 8.3/9.8 and Jack Black Protein Booster Skin Serum scores 8.5/9.8 — 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
15 unique
24 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 6.9 for Isntree TW-Real Bifida Ampoule. That difference comes down to how each formula is built — the ingredient list tells the story.
Jack Black Protein Booster Skin Serum brings Camellia Sinensis Leaf Extract, Dipeptide Diaminobutyroyl Benzylamide Diacetate, and Retinyl Palmitate as actives, while isntree TW-Real Bifida Ampoule relies on Bifida Ferment Lysate, Lactobacillus Ferment Lysate, and Niacinamide. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Isntree TW-Real Bifida Ampoule is better if you have
Jack Black Protein Booster Skin Serum is better if you have
At budget pricing with a score of 8.3, Isntree TW-Real Bifida Ampoule is a decent pick. Jack Black Protein Booster Skin Serum sits at the premium level with a 8.5 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, Jack Black Protein Booster Skin 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.