The Real Difference Between a Luxury and Drugstore Shampoo

The battle of drugstore versus prestige beauty rages on, and while there are certainly products worth the splurge, we also know that inexpensive picks can deliver quality results. So when it comes to hair products, which side are you on? Is a drugstore shampoo going to revitalize, protect color, and reverse damage as good as one with a $25-plus price tag?

We've been asking ourselves this very question and decided to delve into the specifics of what makes an expensive shampoo so, well, expensive. Our findings were surprising and interesting, but not at all what we expected.

Read on to find out what makes a pricier shampoo so costly.