Fun Fact: Paraffin Used For Testicular Prosthesis?
Did you know, the first dermal filler used was paraffin? In 1899, Gersuny, replaced the missing testicles of a gentleman who had had his testes removed.
see – Klein AW, Elson ML. The history of substances for soft tissue augmentation. Dermatol Surg 2000;26:1096–1105.