Want a safe and long-lasting tan? It may be possible with an implant that triggers production of this skin pigment
[DOC] [TLE] Patent US20110020252 - Method of long lasting human skin ... [PAR] Jan 27, 2011 ... Sunless tanning may represent a safe alternative to UVR which it does not ... Like 
DHA, it does not involve melanocytes (skin pigmentation cells); nor ... 
Afamelanotide in a subcutaneous implant form is currently ...