For a compound supplied for laboratory use, the primary sources are what matter, and they are public: the peer-reviewed record is indexed on PubMed, and registered clinical studies are listed on ClinicalTrials.gov
This ingredient has been found safe for cosmetics with the data showing no irritation or sensitization
Saline (0.9 percent sodium chloride) is generally not recommended for peptide reconstitution unless specifically called out by the compounding pharmacy because some peptides are less stable in saline
Zhang XW, Zhang XQ, Liang SL, Ye YR, Lin Y (2013) Key regulatory elements of a strong constitutive promoter, P- , from GCW14 Pichia pastoris
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John R, Ahmad P, Gadgil K, Sharma S