Derbac M Liquid

Derbac M Liquid

Regular price £59.99
Tax included. Shipping calculated at checkout.

Pack Size

What’s it for?

For the treatment of head lice, pubic lice and scabies.

How to Use

Adults, the elderly and children over 6 months: Head lice: apply sufficient liquid to dry hair to ensure that no part of the scalp is left uncovered. Work into the hair spreading the liquid evenly from the roots to the tips. Leave the hair to dry naturally in a warm but well ventilated room. After 12 hours, or the next day if preferred, shampoo the hair in the normal way. Rinse the hair and comb while wet to remove dead lice and eggs (nits) using comb provided. Repeat treatment after 7 days.

Pubic lice: apply liquid to entire skin surface paying particular attention to all hairy areas including beards and moustaches. Avoid any other areas above the neck. Leave on for at least one hour, but preferably overnight, before washing off. Treatment should be repeated after 7 days.

Scabies: apply the liquid to the entire skin surface. In adults it may not be necessary to apply above the neck but children under the age of 2 years should have a thin film of the liquid applied to the scalp, face and ears, avoiding the eyes and mouth. Do not wash off or bathe for 24 hours. If hands or any other parts must be washed during this period the treatment must be re-applied to those areas immediatelymore.

Warnings & Cautions

Like any medication, Derbac M can have side effects, although not everyone will get them. These side effects include:

  • Skin irritation
  • Severe allergic reactions (including difficulty breathing, dizziness, swelling of face, throat and eyes)
  • Chemical burns

If you experience these or any other side effects, stop using Derbac M and speak to your doctor or Chemist 4 U pharmacist immediately.


  • White creamy perfumed liquid containing: Malathion 0.5% w/w

Please always read the box and accompanying leaflet before use.

Delivery & Returns

Standard Delivery

Free on orders over £25
£3.95 for orders up to £25
Delivered in 2-5 working days

The majority of items are still arriving within these timeframes, there may be some delays with Royal Mail and DPD due to pressure on the postal network at the moment.

Express Delivery 

Delivered next working day if ordered before 11am Monday - 11am Thursday
Delivered on Saturday if ordered after 11am Thursday - 11am Friday
Delivered Tuesday if ordered after 11am Friday - Sunday


If you're not completely satisfied with your order, you can return it to us within 28 days. Please see our returns policy for more information

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