Byrdie on MSN

Low porosity hair, explained: What it is and how to keep it hydrated

Low porosity hair has a tightly sealed cuticle, making it resistant to absorbing water and treatments. Use heat to open the ...
Rolling Out

Hair porosity test: How to determine your hair type and best products

Your hair’s relationship with moisture affects everything from product selection to styling success. Hair porosity, or how well your strands absorb and retain moisture, can explain why some products ...
AOL

Taking This Porosity Test Could Change The Way You Care For Your Hair

"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, ...
Women's Health

Here’s How To Figure Out Your Hair’s Porosity—And Why It Matters

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 ...