Banis O Probiotic BioSurfactant Organic Smoke & Fire Odour Cleaner is a pH neutral cleaner, formulated with proprietary blends of EPA “Safer Choice” chemistry and FDA “GRAS” schedule probiotics for an active, deep cleaning smoke-damaged hard surfaces. Especially effective for prepping walls for painting. Banish O addresses both oily and dry soot from fires, tobacco & explosions. Especially effective for cleaning up after grease fires. Being pH neutral, it is suitable for use on moisture tolerant surfaces. Can be used in the presence of people and animals.