I - By suffocation
Lice need the environment of hot, wet hair to survive. They die in a dry climate or with a lack of oxygen.
Advice: Put infested clothes in a hermetic bag (bin bag) for a few days.
II - By cold
Lice die at temperatures of -20°C/-4°F and below.
Advice: Put all infested items that cannot be put into a washing machine (such as wool garments, dust masks, hats, caps, security blankets for children, motorcycle helmets, etc.) in a plastic bag, then seal the bag and place it in the freezer at -20°C/-4°F or below for 36 hours.
III - By heat
Lice die at temperatures of 60°C/140°F and more.
Advice: Wash infested sheets, pillowcases, T-shirts and other cotton clothing at a temperature of 60°C/140°F or more in the washing machine.