I have thin hair how do i make it thicker and fuller?

wear a rug

I have thin hair how do i make it thicker and fuller?

There is line out called Nioxin hair systems that is pretty good. Also Nexxus has a line out for thinning hair.

I have thin hair how do i make it thicker and fuller?

I'm not sure that you can. Maybe you need a different hairstyle that works well with thin hair.