How to get thicker hair?

My hair is about middle ways of my back and it's thinner than I would like. What vitamins and or hair products could I use t...

i have blonde hair with brown highlights in it but i want blonde how do i do that???

Is there any way to get rid of lil hair marks..like where the hair grows?

Is it true if you keep shaving pubic hair that when it grows back, it keeps getting thicker and more painful?

My hair is straight and whenever I curl it or put curling stuff in it, it doesnt stay curly how do I get it to stay?

Does sugar waxing make hair thicker? Does it reduce hair growth?

Is there anyway that you can get thicker hair.?

I HAVE A BLACK RINSE NOT PERMANENT . HOW DO I GET THE RINSE OUT?

How can I get my relaxed african hair thicker withouut using any braids as this remove my front hairline? Is there a/some pro...

I got my hair done at a salon and she put a copper tone in it and I want it out.