The chances are, there are multiple triggers and since we have different genetics, immune systems, and other factors at play, people are likely reacting to different things
Pro tip: For maximum collagen support, apply over Copper Peptide Serum to create continuous peptide delivery throughout the day and night
In one study, researchers found that bilirubin significantly inhibited autophagy in the human colon adenocarcinoma cell lines of LS180 and SW480 cells by suppressing Beclin-1 and Microtubule-Associated Protein 1 Light Chain 3B (LC-3B) in the cells, and increased apoptosis by the upregulation of p53 in LS180 cells and downregulation of the Bcl-2 gene which inhibits apoptosis in SW480 cells (85)
Yoshida S, Amano H, Hayashi I, et al
This is due to an increase in activity of DDP-4, the enzyme responsible for inactivating GLP-1[5]