This happened to me recently for the first time. It was after highlighting my hair for the first time in many many years so agree with it being damage.
Rae ~ 2c/3a ~
"The Longer the Hair, the Bigger the Blob."
Porous, very dense but fine hair. Medium everything else.
Wife to a 3c Curly Guy
Mom to a straight and a curly.
CoWash: Tressemee naturals
RO: Generic biolage and generic joico k-pak
Miss Jessie's Pillow soft curls, diffuse 50%, add KCCC and diffuse to 80%.
Always wash upside down.