My hair has always been thin, like since I was 13. I haven't had like a blade 4 on top or below in over 5 years. Basically I haven't cut my hair shorter than team man, in this exact smiley 
I was just wondering, if I cut my hair completely, will there be any difference? Will my hair grow back fairly thicker?
Some people say its just a myth while others say it has worked for them. I'm sure many PPers have done Umrah and Hajj or generally have gone bald, has it worked for you?

I was just wondering, if I cut my hair completely, will there be any difference? Will my hair grow back fairly thicker?
Some people say its just a myth while others say it has worked for them. I'm sure many PPers have done Umrah and Hajj or generally have gone bald, has it worked for you?