Peptides for tanning do exist. Melanotan 1 and Melanotan 2 both work at increasing melanin in the skin. Melanotan 1 takes longer to activate. Melnotan 1 is FDA approved. Melanotan 2 does Insights into Tanning Biology and Tanning Products JCAD The Journal of Clinical and Aesthetic Dermatology Peptides for tanning do exist. Melanotan 1 and Melanotan 2 both work at increasing melanin in the skin. Melanotan 1 takes longer to activate. Melnotan 1 is FDA approved. Melanotan 2 does libido, Frontiers Sympathetic innervation of interscapular brown adipose tissue is not a predominant mediator of oxytocin elicited reductions of body weight and adiposity in male diet induced obese mice Melanocortin Erectile Dysfunction: Exploring the Pathway and Supplement Options Melanotan 1 MT1 10mg