A single application of Biotopica Anti-bacterial Hand Sanitiser & Protectant protects you from bacteria and viruses for up to 24 hours. It has been tested and is effective against a wide variety of pathogens and contains no alcohol, so you can rest assured knowing that it will not carry any negatrive side effects of conventional alcohol-based sanitisers. Biotopica Anti-bacterial Hand Sanitiser & Protectant also contains Australian melaleuca tea tree oil so it gently moisturises and is suitable for use on children.