Curly hair CC?

k, there are more... I searched 1000 pages for one hairstyle and there are hairstyles I found during doing this:
For adult female:
Here: https://kotcatmeow.tumblr.com/post/150774991548/hallowsims-anya-hair-clayified-mesh-credits-to clayed version of alpha hair. I'm not sure if you need the original mesh but It's pretty easy to add mesh to this model. You can actually just replace the textures on the alpha hair using sims 4 studio.
https://simandy.tumblr.com/post/181231525971/very-natural-made-this-hair-as-a-gift-to-my
https://slythersim.tumblr.com/post/150801105613 <--- it's also based on alpha hair.
https://slythersim.tumblr.com/post/153695199433 <--- same as above
https://slythersim.tumblr.com/post/154308899373 <---- same as above
https://slythersim.tumblr.com/post/154571060168 <--- same as above
https://slythersim.tumblr.com/post/154746843248 <--- same as above
https://birkschessimsblog.wordpress.com/2017/01/27/twisted-curls-longer/
https://mystufforigin.blogspot.com/2017/02/curls-pigtails-for-toddlers.html
https://elenaferri3.wixsite.com/chocosims/product-page/long-curly-ponytail
https://mystufforigin.blogspot.com/2017/06/long-twists.html
https://mystufforigin.blogspot.com/2017/12/daisy-hairstyle.html
https://mystufforigin.blogspot.com/2017/12/daisy-hairstyle-version-2.html
https://mystufforigin.blogspot.com/2018/01/joanne-hairstyle.html
https://www.thesimsresource.com/downloads/details/category/sims4-hair-hairstyles-female/title/malena-hair/id/1401817/
http://leosims.com/product/april-hair/
https://mystufforigin.blogspot.com/2018/02/leonora-hairstyle.html
https://birkschessimsblog.wordpress.com/2018/03/01/morecurlswithbandana/
https://mikerashi.wixsite.com/mojawitryna/post/still-young-hair
https://mystufforigin.blogspot.com/2018/04/ophelia-hairstyle.html
https://mystufforigin.blogspot.com/2018/05/poppy-hairstyle-for-women.html
https://www.leosims.com/product/octavia-hair-2/
https://birkschessimsblog.wordpress.com/2018/08/10/tamed-curls-female/
https://wild-pixel.tumblr.com/day/2019/09/18

For kids:
https://mystufforigin.blogspot.com/2017/02/melodic-waves-for-girls.html
https://mystufforigin.blogspot.com/2017/02/barbara-hairstyle-for-girls.html
https://mystufforigin.blogspot.com/2018/02/jayden-hairstyle-for-girls.html
https://mystufforigin.blogspot.com/2017/11/mid-curly-conversion.html
https://mystufforigin.blogspot.com/2018/01/daisy-hairstyle-for-girls.html
https://birkschessimsblog.wordpress.com/2018/02/10/girlys-halfupcurls/
https://mystufforigin.blogspot.com/2018/02/leonora-hairstyle-for-girls.html
https://mystufforigin.blogspot.com/2018/02/daisy-hairstyle-v2-for-girls.html
https://birkschessimsblog.wordpress.com/2018/02/27/girls-clipcurls/
https://mystufforigin.blogspot.com/2018/03/joanne-hairstyle-for-girls.html

For toddlers:
https://mystufforigin.blogspot.com/2017/09/long-twists-for-toddlers.html
https://mystufforigin.blogspot.com/2017/10/lara-hairstyle-for-toddlers.html
https://birkschessimsblog.wordpress.com/2018/02/12/marys-curlswithbow/
https://deelitefulsimmer.tumblr.com/post/170875755369/hello-my-fellow-simblrs-i-had-an-anon-request-to
https://mystufforigin.blogspot.com/2018/05/poppy-hairstyle.html