Melanotan2 is a lab-made chemical. It is similar to a hormone found in the body. It was originally made as a drug to help treat certain skin conditions.

Melanotan2 is commonly used for skin tanning. It is also used to produce erections in men with erectile dysfunction (ED)

How does it work ?

Melanotan2 is similar to a substance in our bodies, called "melanocyte-stimulating hormone." This hormone increases the production of skin-darkening pigments. Melanotan2 might also work in the brain to stimulate erections of the penis.