L'Oreal Vive Pro Daily Thickening 2-in-1 Shampoo

For combating fine/thinning hair on a budget, nothing beats L'Oreal Vive Pro for Men Daily Thickening 2-in-1 Shampoo & Conditioner ($5). With Regenium XY technology, it fortifies hair from root to end for thicker hair, adding body and a more couple years until you'll need to order that head rug.