"Biotin, or vitamin B7, plays a key role in the production of a number of different proteins," explains Gaby Vaca-Flores, registered dietician and education specialist with HUM Nutrition. "While the research directly linking biotin to hair growth is limited, biotin does have the potential to promote healthier hair in an indirect way."
This is a companion discussion topic for the original article at https://patient.info/news-and-features/vitamins-for-hair-growth-does-biotin-work