Is Hydrogel or PMMA Safe to Use on the Calves, Lower Legs and Ankles to Make Them Bigger?

Biogel or Biopolymer can cause secondary problems and thus I would avoid these as alternatives to calf implants.

Absolutely positively not ever never too  many problems! Not FDA approved. Legs do well with calf implants.

Hydrogel  is not approved in the US.

Many problems have been reported with hydrogel in Europe and Japan.

Consider fat transfer