My hair doesn’t need humidity or rain to become frizzy: If I don’t layer my oils and serums just so, my hair can look remarkably shrublike just one day after washing it. That’s because it ...

I have fine hair, and it’s hard not to burn with envy when a friend tells me they only have to wash their hair “once a week or so.” As I have smaller, less porous strands of hair (which ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Caroline Igo (she/her/hers ...