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BPC 157 has not been approved by FDA and should only be used in laboratory settings

It works best when it comes to general dullness and mild unevenness rather than deep or stubborn dark spots

In parallel, other studies have explored the broader biological functions of SIRT7, particularly its role in immune regulation and mitochondrial homeostasis

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[DOI] [PubMed] [Google Scholar] Benitez B

It's often combined with IT-preservative, phenoxyethanol