Trimming a Woman's Hair

Q: prohibitions and Permissions-8: Can a woman trim the ends of her to make them equal?

Answer: There is no harm in the natural process of the hairs growing in lengths. It may therefore not be trimmed. It is also prohibited to cut the hairs of little girls according to modern fashions. And Allaah knows best what is most correct.

Fatawa Rahimiyyah vol.3