Hello, jettaforce and welcome. 
Nick Chavez makes some good products for volume.
Advanced Volume Shampoo and Conditioner
Plump 'N Thick Shampoo and Conditioner
Advanced Plump 'N Thick Shampoo and Conditioner
And here's a few of Nick's hairsprays below.
Advanced Volume Hairspray
Plump 'N Thick Leave-In Thickening Mist
Actually, Nick makes a set called 5-Piece Advanced Plump 'N Thick Collection that's dedicated to giving thickness to the hair. If you're interested, the item # for it is A260296
~Nick Chavez is my favorite vendor on QVC and Alberti Popaj is my favorite QVC host.~
Nick Chavez now has his own sub-forum under the My Favorite Brand folder