40 citations,
February 1990 in “Journal of The American Academy of Dermatology”
A 17-year-old developed woolly hair nevus in adolescence, which is unusual, and over time the hair darkened and straightened slightly, but microscopic changes persisted.
The user is concerned about hair loss despite using oral finasteride, oral minoxidil, and topical minoxidil. They are seeking advice on additional blood tests to identify potential causes.