hello i have tried sulfur 8 and it was good .but i had to lift the dandruff while the hair still has shampoo in it go through the whole head and lift it while your at the shampoo bowl,then rinse and go in with a dandruff conditioner maybe kera,s dry and itchy scalp and a lot of it will rinse out. if i dont do that lots of times the dandruff is still there when i get ready to style and thats not cool
. i hope this helps.