No, skin rashes are considered a relatively rare side effect
Neutrophils at lesions sites have strong antibacterial action, including degranulation and production of reactive oxygen species (ROS) [8]
BPC-157 is used for accelerating recovery from muscle, tendon, and ligament injuries, healing gastrointestinal tissue damage, reducing inflammation, and promoting tissue repair in bodybuilders and athletes
Jeon T-I, Osborne TF
The cosmetic use does not constitute approval as a medicine, does not establish pharmaceutical-level efficacy claims, and operates under different evidentiary standards from pharmaceutical regulation
So the longer you're in the sun, the weaker its protection gets