You should tell her about how none of the Disney princesses have stick straight hair either. You could also show her curly kids. Make her enjoy doing her hair etc., maybe make her a pj I don't know haha. I know a lot of people have success with the tangle teezer etc. Get her involved somehow, whether it be buying a fruity scented conditioner or making detangler by herself etc.
You are an awesome mom if you realize this already haha

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LP: SM RSB
Co-wash: NH IH&T
CO: SM RSB, SM SFC
LI: a CO, KCKT
Sealers: an oil, SM Elixir, JC N&S
DC: SM Masques (the vegan ones), DIY
Stylers: *just CO usually; KCCC, FSG, Aloe
Clarify: ACV, Lemon-Aid

Oils to seal, RO, and/or pre-poo as needed

2c/3a/3b Coarse,High Porosity
CG since 2007