‌Low porosity hair is human hair that doesn't readily absorb water and treatments. Your hair may be low porosity if it takes a long time to wet and dry. If you use hair care products, they tend to ...

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 ...

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 ...