how to regrow hair on bald spot fast, Regrowing hair on a bald spot quickly involves promoting scalp health. Massage the area with essential oils like rosemary or castor oil, known for stimulating hair growth. Increase blood circulation through regular scalp massages and consider using a derma roller to boost absorption of topical treatments. Additionally, maintain a balanced diet rich in vitamins and minerals, and consult a healthcare professional for personalized advice on potential supplements or medical interventions for faster hair regrowth.