Loaded with biotin — an essential B vitamin that assists in keratin production — this $9 shampoo is designed to be gentle as it adds noticeable oomph to your ‘do. “This is the best shampoo I’ve ever ...

Volume starts at the root, which is why this lifter spray is a must-have if you want to achieve big hair. Ideal for fine hair, this spray creates body and fullness while providing heat protection.

When it comes to fine, flat, and thinning hair, achieving volume can be a struggle. But fear not, because there are hairstyles that can transform your tresses and give them the fullness they deserve.