It doesn't require a prescription, doesn't go through FDA drug approval, and cannot legally be marketed as a treatment for hair loss
The hair evidence is interesting, but earlier than the marketing suggests
(1) Kovalzon VM, Strekalova TV
The most commonly reported injection site events included erythema (redness), induration (hardening), pain at the injection site, and itching
To make your Volbella last longer, you should stay hydrated internally by drinking water, reduce the amount of sun exposure you receive and avoid compressive forces to area where it was injected
2017 (9) studies suggest that when cells encounter oxidative stressmarked by excess free radicalsthis imbalance may trigger several defensive responses within the cell