Check out tightlycurly.com. There is a lot of basic curly hair care info there which may help you out with your daughter.
Just remember to always be gentle when combing. Start combing at the bottom (tips) and work your way carefully to the roots. Sometimes it's not just products but your technique... how are you using these products? What's your normal hair care routine with your daughter?
"The challenge is to be yourself in a world that is trying to make you like everybody else."
"...rationality is not necessary to sell things.."
My staples: Mane n Tail (cowash), Garnier Fructis Sleek n Shine (leave in condish), Grapeseed oil or shea butter (sealing), Organic Root Stimulator Elasticitea (leave-in condish & light hold)