We drop serious cash on salon visits only to ruin our hair on a standard cotton...

https://www.female.com.au/why-more-australian-women-are-rethinking-their-night-time-hair-care-routine.htm

We drop serious cash on salon visits only to ruin our hair on a standard cotton pillowcase. Friction causes that morning frizz and those stubborn tangles. Try a silk pillowcase or a loose braid