The alcohol-based version is on the World Health Organization's (WHO) List of Essential Medicines, the safest and most effective medicines needed in a health system. Generally more effective at killing micro-organisms and better tolerated than soap and water. Hand washing should still be carried out if contamination can be seen or following the use of the toilet. Contains: 81% Ethanol (CAS no. 64-17-5) + 4% Propan-2-ol (CAS no. 67-63-0) Danger: Keep away from flames, hot surfaces, and do not drink the fluid. In case of emergency or if you get fluid in your eyes please contact your local doctor right away.