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Jack Black Protein Booster Skin Serum scores 8.0/9.8 overall. It ranks highest in low irritation risk (9.5) and formulation safety (9.0).
One of the most effective humectants
Coconut-derived emollient
Aloe vera — hydrates and soothes
Estimated — based on ingredient analysis. Scores refine as user reviews are added.
Scores last verified: June 2026
Jack Black Protein Booster Skin Serum is an excellent serum with an overall score of 8.0/9.8. Positioned in the premium bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Glycerin, Caprylic/Capric Triglyceride, Aloe Barbadensis Leaf Juice — ingredients that support the skin barrier and moisture levels.
It performs well on hydration (7.8) and low irritation risk (9.5).
Great for
Draws in moisture — #2 in the INCI list
Softens and smooths — #3 in the INCI list
Draws in moisture — #4 in the INCI list
Works on your skin — #6 in the INCI list
Works on your skin — #8 in the INCI list
29 ingredients — listed in INCI order (highest concentration first)
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© 2026 Gracie. All rights reserved. Data sourced from Open Beauty Facts (ODbL) and EU CosIng.