That's alright. I wash my butthole every time I got to the toilet. Basically I keep an old water bottle next to the toilet. It's much more hygienic than simply drying off all the wet bits with toilet paper (as that's essentially just what you're doing. Your butthole isn't really clean, you just removed all the moist stuff that'd stick to toilet paper).
I use a bottle too when traveling but recently upgraded to a portable/manual bidet and it’s great. At home, I recommend you upgrade to an actual hose bidet. Very convenient.