hello ! from norway here !  i have been itching in my head  in all years with any kind of shampoo, nowdays i only use one potatoe blended with lemon juice ,ginger, strawberry,alchemilla,chili,banana,honey,tuja. Not every igredients alltime but what  ever i have at that time , maybe just the potato.,every now and then ,just water.this is the least messy thing too use ,if you dont itch.all raw of course