This is melanosis colia result of long term stimulant laxative use (like Senekot). Have you ever heard of melanosis coli? It's not just staining. It's your colon screaming for help. Senekot (a Melatonin Skin For Tanning Injection Peptide at Best Price in Guangzhou Guangzhou Tengyue Chemical Co., Ltd. 1 Vial 10mg Melanotan 2 Tanning Injection (Starter Kit) Turbo Tan MELANOSIS COLI** Melanosis coli is a disorder of pigmentation of the bowel wall. Histology demonstrates pigment laden macrophages It is associated with laxative abuse, especially **anthraquinone compounds such as senna** Poop Patrol: Spotting Changes that Need Attention