Derbac M Liquid is used in the treatment is used in the treatment of head lice, pubic lice, their eggs and in the treatment of scabies. The active ingredient in this medicine is Malathion 0.5% w/w.

How To Use

In the treatment of lice

• Apply the liquid to dry hear ensuring the scalp is fully covered. Work into the hear spreading the liquid evenly from the root to the tips.
• Dry hair naturally in a well-ventilated room.
• The following day or after 12 hours wash your hair in the usual manner.
• While the hair is still wet use a nit comb to remove dead lice and eggs/nits.
• This treatment should be repeated after 7 days.

For the treatment of Public Lice (crabs) or Scabies please see the patient information leaflet (PIL) in the box.

Active Ingredients

Malathion 0.5%