My hair is so thin.

Does anyone know any shampoo that makes your hair get thick/

Nothing will change the way your hair grows but Pantene's formula to make your hair thicker has received very good consumer ratings.

Please stop posting the same question -

There are lots of them that make that claim.

Check out this article from Good Housekeeping:
Hair Thickening Shampoos and Conditioners - Best Hair Thickening Products - Good Housekeeping

Baby, please ask just once. Your two questions have been merged.

What you need is a root lifter.

I prefer Big Sexy Hair myself.

Sexy Hair Big Sexy Hair Root Pump Plus Spray Mousse