... disinfection, to prevent cross-contamination.(5) before meals, and after hand washing, disinfection. No disinfectant. More convenient to ... detergent better.(8) treatment and prevention of bad breath, periodontitis, onychomycosis, hemorrhoids, vaginitis. Hands and feet gas disease with an ... clean air, decomposition of airborne bacteria, soot. odor and other harmful substances.(11) of indoor space for ...