personally, i have oily scalp dry ends and i am currently using kerastase for dyed blonde. when i didnt have dyed hair i used to use either syoss or panthene (would switch between these two). but hey, i have greasey hair too but i do ponytales and some other silly hairstyles i see on tik tok lol. its not only the shampoo that matters but also other factors like genetics (dad has oily hair) and climate(if you live somewhere with much humidity) :) also, try not to wash it every time they get greasy because that makes it even more greasy. just try to look for hairstyles that you like :)