Can I Damage the Follicles If I Cut Myself Shaving?

first of all i want to thank the doctor for a such great site, and also taking the time to answer some questions.My first question how is easy can a hair follicle be damaged, for example I cut my self shaving my head does that mean that the follicle is damaged? second question is that if you get slapped in the head is that gone make hair to fall out?

Unless it is very deep, cutting your skin while shaving will not cause hair damage. And no, slapping your head will not cause hair loss.