& Parthasarathy, S
GHK-Cu has been studied in clinical research examining its effects on skin firmness
Benefits Include: Increased sexual response (more female sensitivity), easier sexual arousal, more frequent orgasms, higher satisfaction with ones sex life, fewer issues with dryness or lack of natural lubrication, less pain during sex, greater arousal from clitoral stimulation, and healthier vaginal tissue
For tendon, intestinal, or gastrointestinal models, BPC-157 has the largest literature base (35 AJSM 2026 studies + Sikiric corpus)
Reported side effects for Semax and Selank are generally mild, such as nasal irritation or headache, while Dihexa's safety profile in humans is simply not well characterized
So far, studies have not shown any genotoxic or carcinogenic effects associated with these peptides