The full contact system needs testing: metal can, internal liner, valve cup, spring, gasket, dip tube, actuator and nozzle
There is no reliable way to confirm bioactivity without a bioassay
Jinhua Li, [email protected] These authors have contributed equally to this work ORCID: Jinhua Li, orcid.org/0000-0003-0085-9168 Disclaimer All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers
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Alanine is slightly larger and has a different chemical character, which researchers believe shifts AHK-Cu's receptor affinity more specifically toward hair follicle cells