Melanotan II: Tanning injections, nasal sprays harmful to health That quick tan injection is NOT worth the risk., Melanotan peptide injections stimulate pigment cells, and its use has been linked to rapid changes in moles, including the potentially fatal skin Glowup shortcuts are trending again, but doctors say the Barbie drug comes with real medical red flags. Unregulated, unapproved, and could have serious sideeffects is any tan worth that risk?, Even with Vicks, you're not immune to nasal addiction. Just like with Afrin, if you use this medication for more than three days, your nose will start to crave it and will stay in a perpetually