Toddler hair CC?

I really like MyStuff Origin

You may also want to check out the Toddler section at Maxis Match CC World

TSR (The Sims Resource) has always been my favourite place because you can filter really well !

Here are some links:
https://thesimpanions.tumblr.com/post/190219741514/n-e-w-v-i-d-e-o-the-sims-4-maxis-match
https://www.youtube.com/watch?v=I--rhgZCNxc
https://thesimscatalog.com/sims4/category/hairstyles/toddlers/page/8/

I found also this one! https://www.simsdom.com/crybaby

I found these https://www.youtube.com/watch?v=J_u5TLfxuas&t=1s
https://www.youtube.com/watch?v=24t2QZZbOYE