naja and rebecka clearly have two different types of hair. >> baby-fine blonde. coarse, thick, dry. >> right, and i would think that they'd need different types of product to deal with their-- >> 'cause you've been told that, is why. every product out there tells you, "if you have this hair type, you need this shampoo." "if you have this hair type, you need this shampoo." it doesn't have to be confusing. with wen sweet almond mint cleansing conditioner, both girls completely different hair types... i want to show you something. >> please. >> go at home and try this, as well. just get your hair, lift up a section of your hair. what do you see with her hair here? >> it's a lot thicker down here than it is up there. >> so wouldn't that tell you that she doesn't necessarily have baby-fine hair, but it's what she's doing to her hair that's causing it to be even finer? >> yeah, the breakage. >> because if she didn't use shampoo and it wasn't lathering and stripping and breaking the hair down, her hair would be the same consistency from the roots to the ends. >> it gets