All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad, sallallaahu ‘alayhi wa sallam, is His slave and Messenger.
There is no harm in using toilet paper to dry the outlet after Istinjaa’. The presumption is that this is permissible unless proven otherwise. Please refer to Fatwa 90938.
Allaah Knows best.