Dersimelagon (formerly MT‐7117) is a novel, orally administered nonpeptide small molecule selective agonist for melanocortin 1 receptor currently being investigated for the treatment of erythropoietic protoporphyria, X‐linked protoporphyria, and diffuse cutaneous systemic sclerosis (dcSSc). Here, MC1R is linked to erythropoietic protoporphyria.