youd smell it not see it id theres enough to see your already in serius trouble and nobody would be able to stand being in the same room with you
to reverse it if its just starting and notg bad at all (say they got a lil funky smelling adter last wast cause u wore a hat) add lavender to your bs or better yet an after rinse
if its progressed and is stinky for weeks mix 3/4 cup white vinager 1/4 cup water and 50 or so drops lavender pour on and leave on 24 hours
alternately u can soak in a strong thyme tea 24 hours (i hear thyme works i know lavender does) if at all possible..sun dry the sunlight helps kill it too
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My new book Ban The Taboo Vol 1