Hi Dermatologist,my hair is thinning quite bad now, its get really greasy just after one night, i m doing the no-poo challenge now hoping the excessive oil reduced, is it a right thing to do? what i can see from my hair is the oil is really covering the scalp everyday (even before doing no-poo challenge), it s now type 2 or 3 in norwood-hamilton scale of MPHL, and i m consuming saw palmetto extract 250mg per day to reduce the dht,i don t know what to do i really want to prevent this hair loss please help,thanks,