... and clean hands by towel, then take Hands-free Disinfectant for 4-5ml, full knead until drying (1 ... -2 minutes).2.regular hand disinfection.Take Hands-free Disinfectant for 4-5ml, full knead until drying (1 ... minutes). Notes1.external disinfectant, not for oral administration.2.flammable, keep fire away ... : 50ml100ml250ml500ml1000ml.Valid: 24 months. Waterless Hand Disinfectant