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Peer review Peer review information Nature Communications thanks Hongli Mao, and the other, anonymous, reviewer for their contribution to the peer review of this work

Investigation Areas Dilution and reconstitution studies (laboratory only) Aqueous excipient compatibility and stability screening Container/closure interaction assessments Device priming and flush procedures (non-clinical) General wet-lab solution preparation Handling Requirements Qualified personnel in equipped laboratories Use aseptic technique

Bacteriostatic water contains 0.9% benzyl alcohol, which inhibits bacterial growth during repeated needle punctures for multi-dose vials

These are animal model findings and in vitro studies

Think of collagen and elastin as the building blocks of your skin and haircollagen keeps your skin firm and youthful, while elastin gives it that nice, bouncy elasticity