Its main ingredient is dimethicone, which works through a physical mechanism of action. Because it does not contain insecticides, it does not promote the development of resistance.
From 6 months.

1- Apply the spray to dry hair, leaving it to act for 10 minutes.
2- Carefully comb your hair with the comb.
3- Wash your hair with shampoo and rinse thoroughly with water.
4- Spray the hair all over again.
5- Wash the metal comb (and the usual brush/comb) well with hot water and soap.
6- Repeat the application of the spray after 7 days.

5% Dimethicone.