regaine for men extra strength has been specifically designed for men who want fast results when compared to regaine regular strength & is more suitable for those looking for re-growth. regaine extra strength works for 4 out of 5 men to help prevent further hair loss & has been shown to re-grow some hair in 3 out of 5 men., hereditary hair loss treatment, prevents further hair loss & regrows hair, results may appear in just eight weeks, single pack (triple pack also available)