Please note: Product packaging may vary from the image shown.

Top Seller

Derbac M Liquid - 150ml

Based on 22 reviews
check In stock
-
+
Royal Mail Special Delivery
Order in the next 00 :00 :00 to get it Tuesday, April 7th * using Royal Mail Special Delivery
Delivery estimate is based on Royal Mail Special Delivery 1pm Service.

Save With Multipacks:

Choose your multipack... chevron-down
Faye Bonnell - Medical Content Writer
Faye Bonnell
Medical Content Writer
21/10/2024
20/10/2026
James O'Loan - CEO & Prescribing Pharmacist
James O'Loan
CEO & Prescribing Pharmacist
2084549

Derbac M is an alcohol-free liquid emulsion containing the active ingredient Malathion, used for the treatment of head lice, pubic lice and their eggs, as well as scabies in adults and children aged 6 months and over.

Derbac M Liquid - 150ml x 2 Reviews

white-star white-star white-star white-star white-star
By Mr. Fitz,
March 10, 2026
Long shelf life, effective product.
white-star white-star white-star white-star white-star
By Skip,
February 24, 2026
Spot on. Yayy
white-star white-star white-star white-star white-star
By Sarah,
February 18, 2026
This product is the best for what it’s intended for. It works almost instantaneously.
white-star white-star white-star white-star white-star
By MRS P J DAVIES,
February 10, 2026
Eased the itching.
white-star white-star white-star white-star white-star
By john bennett,
January 20, 2026
Does what it says on the tin!

Advice & Guides

What is Male Pattern Baldness?

If hair loss runs in your family, you might be at risk of male pattern baldness (androgenetic alopecia). It’s so common that up to 50% can be affected by it by the time they are 50.  Below, we cover the early of male pattern baldness symptoms, how it’s diagnosed and...
Read More

10 Natural Remedies to Repair Your Damaged Hair at Home

Is your hair feeling dry and damaged? Unfortunately, a lot of things can cause damage to your hair, leaving brittle strands, split ends, and breakage! If your locks have been left lifeless and you’re looking for ways to repair damaged hair fast at home, then you’re in the right place...
Read More

Does Finasteride Lower Testosterone?  

Some people believe that finasteride lowers testosterone because of how it tackles hair loss. But this isn’t true!  In fact, finasteride actually causes a slight increase in testosterone levels when used to treat male pattern baldness.   Let’s take a deeper look at the relationship between finasteride and testosterone, and some...
Read More

Hair Loss Statistics 2025

Over 15 million UK residents experience hair loss, equating to more than one in five people. With hair loss a common cause of emotional distress and reduced confidence for many, it’s no surprise that interest in preventative measures continues to grow. But how effective are hair loss treatments? And what...
Read More

Does Caffeine Shampoo Work?

These days, you have the power to fight back against hair loss. You’ve probably noticed that over-the-counter and prescription treatments, such as minoxidil and finasteride, are becoming more well-known, not to mention the rise of transplants and hair systems. But what about caffeine shampoo? Is it effective at treating hair...
Read More

How Much Hair Loss is Normal?

It’s perfectly fine to see leftover hair in your brush or shower drain, despite complaints about the latter! However, it’s also natural to wonder how much hair loss is normal, and whether it could be a sign of something more permanent.   We’re here to put your hair loss concerns...
Read More

Do Steroids Cause Hair Loss?  

There are many different types of steroids, some of which are prescribed legally to treat a variety of medical conditions, and some of which people use for performance enhancement.  Both types of steroids can cause hair loss in men and women. However, confusingly, sometimes steroid injections can also be prescribed to treat certain types of hair loss.  In this guide, we’ll explain which...
Read More

Does Testosterone Cause Hair Loss?   

There’s a lot of popular myths around the relationship between testosterone – a sex hormone present in both men and women, but in higher levels in men – and hair loss.  Many people believe that either high or low levels of testosterone cause hair loss, but the reality is more...
Read More
© 2026 Chemist4U. Innox Trading Ltd, 1 Penketh Place, Skelmersdale, Lancashire, WN8 9QX, GB. All rights reserved. Registered and regulated UK pharmacy with the GPhC (registered premises 9012464). Registered in England No. 07262043 | VAT Registration No. GB140138454