What is the difference between Zap® and chemical-based or insecticide products?
Contrary to chemical-based or insecticides products, Zap does not contain chemicals or insecticides. Zap has a mechanical mode of action. Zap gets into the respiratory orifices of lice that then die from asphyxia and dehydration. Due to this new way of working, lice cannot become resistant to Zap.