2 citations
,
March 1977 in “British Journal of Dermatology” Nandrolone phenylpropionate injections thickened the skin and enlarged oil glands in female hairless hamsters.
23 citations
,
October 1958 in “PubMed” 
Different botulinum toxin products and concentrations can effectively reduce sweating, itching, bladder pressure, hair loss, and muscle spasms.
15 citations
,
March 2012 in “International journal of nanomedicine” Local injections of nanosized rhEPO can speed up skin healing and improve quality after deep second-degree burns.
29 citations
,
November 2014 in “Experimental Dermatology” Injecting alpha-melanocyte-stimulating hormone in mice improved skin healing and reduced scarring.