This is a thing that has never Hair Envy Review been proved since applying a product on your scalp may result in you some kind of irritation, but on your scalp, not on your face. This a totally mistaken way of considering the Provillus side effects.
One more of the Provillus side effects is the prevalence of the headaches. The developers of the natural hair growth products are trying to prove that thing wrong, since this is a myth. Even if you use Provillus for a long period of time, you cannot possible get headaches, since the product isn’t ingestible and it is totally natural and freed from preservatives and other sorts of chemicals.