Your pillowcase might be doing more damage than you think. Cotton creates...

https://future-wiki.win/index.php/Why_Does_Chemically_Treated_Hair_Get_Worse_with_Cotton_Pillowcases%3F

Your pillowcase might be doing more damage than you think. Cotton creates friction, leading to frizz and breakage overnight. Switching to silk is a simple fix, but simply popping your hair into a loose braid or bun before bed makes a massive difference