These were presented as dermatology-meeting abstracts, were industry-associated, used surrogate cosmetic endpoints (skin density by ultrasound, wrinkle profilometry, investigator grading), and are summarised second-hand in review articles far more often than they are read in full
Methionine is an amino acid that supports liver function and fat metabolism
They won't have significant adverse reactions
Sharing methodology details, including exact spray counts and timing, alongside any published or internal results makes it far easier for other researchers to attempt replication, which remains a valuable step for any topical peptide protocol
We hypothesize this to be related to the peptide increasing progesterone as a consequence of elevated growth hormone (GH) levels
Wang Y, Zhang M, Bi R, Su Y, Quan F, Lin Y, et al