3 in 1 Shampoo.In our Squeaky Clean 3 in 1 shampoo, we start with our trusted Vosene Kids formula, add some natural tea tree oil and a boost of lemon Eucalyptus oil to give your little ones tangle free and squeaky clean hair that will help keep head lice at bay. And whilst we were at it, we've made sure it is also: . Dermatologically tested. MIT free. Lice repellent*. Created for little ones, trusted by you With natural lice repellents, tea tree & lemon eucalyptus oils For squeaky clean hair.