It could just be her hair changed naturally. I had straight/slightly wavy hair til I turned 10 then it turned to 3A/B mix


3A/B mix with flat roots dark blonde (refusing to call it brunette I miss my blonde baby hair) lovin my curls
rockin the curls God gave me.

Routine!
Shampoo n/a
Conditioner Vo5 Moisture Milks
Leave in Shea Moisture Curl Enhancing Smoothie
Shower, comb, apply leave in and mousse in wet hair then scrunch out the water and sometimes.
Second day, Wake up mist with water and smooth Shea Moisture Curl enhancing smoothie over hair