Show me a girl who says she doesn't want the full-bodied hair of a Victoria's Secret model, and I'll show you a liar. This is where volumizing shampoo comes in. There's something about a voluminous blowout that really boosts your confidence (and your formerly flat strands). Readers say these 14 volumizing shampoos for fine hair add weightless volume and thickness instantly. Try these and you'll be one step closer to the Gisele Büdchen hair of your dreams.