why is my glp 1 injection site red and itchy rash? : r/Semaglutide Red bump/mark at injection site?

Laferrre, Blandine et al

Researchers reading their syringes in units must convert their target microgram dose into the corresponding unit mark based on this concentration relationship

GHK-Cu is frequently studied for its ability to enlarge hair follicles, stimulate structural proliferation of follicular epithelial cells, and suppress pro-apoptotic pathways that drive premature follicle regression

doi: 10.3389/fmed.2026.1763185 Received 08 December 2025 Revised 20 January 2026 Accepted 26 January 2026 Published 12 February 2026 Volume 13 - 2026 Edited by Jianbin Zhang, Dalian Medical University, China Reviewed by Theodoros Androutsakos, National and Kapodistrian University of Athens, Greece Feng Zhang, Nanjing University of Chinese Medicine, China Updates Copyright 2026 Lu and Yang

After 12 months from LSG, a significant increase of mean plasma levels of tHcy(T0M mean = 15.7 4.1 mol/L