If you're looking to know how to regrow hair on bald spot fast, several effective methods can help. First, consider using topical treatments like minoxidil, which stimulates hair growth. Incorporating a balanced diet rich in vitamins A, C, and E, along with biotin and zinc, can also promote hair health. Additionally, try regular scalp massages to improve circulation. Consult a dermatologist for personalized advice and explore options like PRP therapy for quicker results.