I saw someone getting jaw Botox every six months, so I'm thinking of starting it too.

I’ve seen people around me getting jaw Botox every six months, so I’m thinking of starting myself, but the issue of resistance just won’t leave my mind. I read that if you start getting it at a young age, the medication won’t work at all when you really need it later, so I’m hesitant to just go ahead and start with a cheap domestic toxin. I’m crunching the numbers to see if it’s safer to go with the German product right from the start, as it claims to have completely removed complex proteins to lower the chance of antibody formation. The price difference is easily two or three times higher than the domestic option; for an area like a square jaw where a large dose is required at once, is starting with an imported product really worth the money? What are your thoughts, those of you with experience?