NON TOXIC AND SAFE - Mom approved and pediatrician recommended for children over the age of two, this non-toxic lice treatment mousse contains no pesticides and is gentle enough for daily use by the whole family. LiceLogic Clear & Free mousse is plant based and contains our powerful proprietary enzyme blend. which is proven to kill lice and nits on contact. EASY TO USE - Simply massage into the hair and scalp for 15 minutes. Detangle hair with comb or brush to ensure total coverage of hair and scalp. Use our LiceLogic Terminator Nit Comb to gently comb out lice and nits directly on the shampoo, starting at the root in one continuous motion to the end of hair. Comb in small sections to remove head lice and nits. Then clean comb. Repeat as needed until hair is nit free and lice free. IT WORKS - LiceLogic naturally destroys head lice, nits, and eggs. Use it until the lice infestation is completely gone, and for 7 to 10 days after. The process can also prevent infestation if lice exposure is suspected.