100% natural lice repellent shampoo. Daily use and for the whole family. Instructions for use: Apply the shampoo to wet hair and scalp, making sure that the product comes into contact with the entire surface. Wash your hair giving a light massage with the foam and leave it to act for 3 minutes. Afterwards, rinse as usual. Remove excess moisture, detangle and pass the N-lice® nit throughout the hair.