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In adults and older children, the total volume used should also stay within safe limits animal studies suggest up to about 30 mL (the full vial) can be given to an adult without benzyl-alcohol toxicity, but one should still use only the amount needed and discard the rest if sterility is lost

American Journal of Biomedical Science & Research , 15 (2), 153

In preclinical tests, the most commonly noted side effect was mild local irritation at the injection site

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These simple practices ensure your reconstituted peptides remain safe and effective throughout their use

Besides, in vitro cytotoxicity with HaCaT keratinocytes and human in vivo data was well- correlated 22,32,33