How to regrow hair on bald spot fast? There are several effective methods. Consider using minoxidil, a topical treatment known to stimulate hair growth. Additionally, maintaining a healthy diet rich in vitamins and minerals, particularly biotin and vitamin D, can support hair regrowth. Regular scalp massages can improve blood circulation to the hair follicles. Essential oils like rosemary and peppermint have also been shown to promote hair growth. Consistency and patience are key for seeing results.