Functional Description MT-1 (Melanotan I) is a synthetic analog of α-melanocyte-stimulating hormone (α-MSH) studied primarily for its activity at melanocortin receptors, particularly MC1R, which plays an important role in pigmentation and melanogenesis. In research settings, MT-1 is commonly investigated for its influence on melanin production, melanocyte signaling, pigmentation pathways, UV-response mechanisms, and melanocortin receptor activity. […]