How to Get Thin Hair Thick

First, go to a doctor to inspect you hair. It could be a thyroid problem that is fixable. If this is not the case, there is many products on the market for thin hair

You can try Nioxin thickening medicated shampoo and conditioner. They are very healthy but expensive. They smell like medicine but worth it! Usually they have a starter kit you could try out.

Stop all the processing, blow drying and styling. Go natural!