Spot the Difference: Are Those Adorable Freckles or Unwanted Age Spots? Blog Face Forward Medical Aesthetics Treating freckles and pigmentation Hope Dermatology Brown spots, lentigos and freckles 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 Vancouver Freckle Removal Clear Brown Spots, Sunspots Surrey, Delta, Langley, White Rock 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