and it's a pretty good as a shampoo too

http://www.redwin.com.au/sensitive-s...-tree-shampoo/

Also rubbing actual tea tree oil onto your vagina is pretty good, it feels warm and fresh but is still gentle

Normally you shouldn't use antibacterial stuff on your vagina because if you kill all the bacteria you can get thrush (because fungus is normally eaten by the bacteria) but tea tree has anti-fungal properties too so you can sterilise your vagina without having to worry about getting thrush.

This has been a public service announcement, happy vagina washing all.