Ask dermatologists from California to the Carolinas for an opinion on where the field is going, and it's likely you'll get a variety of opinions. The reason could be that dermatology is now recognized as a broad domain with expertise in several areas including medical, surgical, and cosmetic, as well as immunodermatology and dermatopathology.
Castor oil has become a popular social media remedy for thicker, longer hair, but evidence supporting its ability to stimulate hair growth remains limited.