• Do not wash the hair before its application. The water provokes the defensive reaction and the lice close their breathing holes, hindering the absorption of the insecticide. In addition, the water removes the grease that helps fixing the product.
• Protect with a towel over the shoulders and ensure that the eyes are well closed or protected.
• Apply the lotion on dry hair and make a gentle massage. Cover the head with the Cap Filvit and let the lotion act between 10 and 15 minutes.
• After this time, rinse the hair with plenty of water.
