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