Hedrin Rapido Description An innovative formula based on dimethicone and Penetrol, it eradicates head lice and their eggs in a single application. Easy to apply, it contains no chemicals, is non-greasy, and has no unpleasant odor. How to use 1) Apply Hedrin Rapido to dry hair. The product should completely cover the hair, from root to tip. 2) Leave the product to act for at least 15 minutes. 3) Apply a normal shampoo without wetting your hair first. 4) Massage the scalp well and rinse. 5) If the product has not gone away, repeat the operation. 6) Rinse your hair and dry it normally. Hedrin Rapido contains anti-foaming agents that will make the shampoo produce less foam than usual. Hedrin Rapido can be used repeatedly in case of reinfestation. Conservation Store at a temperature not exceeding +25°C. Shelf life in intact packaging: 36 months. Format 100 ml pack