It doesn't take much to fall down the Barbie Drug rabbit hole. In self tanner subreddits and on TikTok Shop, the tanning injectionaka Melanotan IIis marketed as a self tanner alternative that works by Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and Premium High Purity Melanotan 2 Nasal Spray Pure Mt 2 Tanning Solution for Safe Tan Premium High Purity Melanotan 2 Nasal Spray and Pure Mt 2 Tanning Solution for Safe Tan price Amazon.com: Tanning Spray,Tanning Nasal Spray,tanning Sunless sprays,Deep Tanning Dry spray,Sunless tanning Mist,Self Tanning Facial Mist,Natural Looking Tan (1PCS) : Beauty & Personal Care