Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? News flash: There’s a method cosmetic chemists and beauty scientists regularly ...

News flash: There's a method cosmetic chemists and beauty scientists regularly use to solve dryness, frizz, and damage—and you can use it at home. Knowing your hair's porosity (something that's ...

“Porosity is a measurement of the hair’s ability to absorb and hold moisture,” explains celebrity colorist Rita Hazan. “It can also be described as the indicator of how easily moisture can penetrate ...

With high porosity hair, cuticles are lifted or have voids that allow them to absorb materials easily. You can use a spray, float, or slide test to determine your hair’s porosity. Layering products, ...

PureWow editors select every item that appears on this page, and some items may be gifted to us. Additionally, PureWow may earn compensation through affiliate links within the story. All prices are ...

Add Yahoo as a preferred source to see more of our stories on Google. A strand of hair contains three layers: the cuticle, cortex, and medulla. The design of the cuticle layer, in particular, is ...

Does your hair tend to lose moisture quickly? Do you struggle with dryness, frizz, or breakage? If so, you may have high-porosity hair, and understanding the unique characteristics of your strands is ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." News flash: There’s a method cosmetic chemists and beauty scientists regularly use to solve dryness, ...