Phototherapy in London

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Award winning dermatology service, with over 20 years of experience

Short waiting lists, on some occasions offering same week appointments

Safe environment, in Care Quality Commission approved facilities


We are pleased to offer state of the art Daavlin phototherapy, capable of providing both UVA and UVB treatment. This can be used to successfully treat a large number of inflammatory skin diseases such as psoriasis, eczema, lichen planus, vitiligo and pruritus. In addition, the clinic has a hand and foot ultraviolet-A device, Ideal for treating hand and foot disease such as eczema and psoriasis.

The phototherapy unit at the Harley Street Dermatology Clinic is run by our team of highly qualified dermatology specialist nurses and physicians assistant with many years of cumulative experience in providing treatment to skin patients. We are very happy to see patients for phototherapy with an appropriate referral from any UK-registered dermatology consultant. Alternatively, book in to see one of our consultants who can facilitate your treatment.


The term phototherapy means the use of light to treat medical conditions. Natural sunlight has been found to be beneficial in certain skin disorders for thousands of years and UVB Phototherapy treatment works by exposing the skin to an artificial light source. These light rays have an anti-inflammatory effect on the skin.

The science behind this was discovered over the last few decades. Ultraviolet produces anti-inflammatory molecules in the skin which are good at suppressing each and inflammation. Phototherapy comprises the use of ultraviolet A and B light to treat skin disease. It has long been known that the action of the suns rays on the skin can suppress inflammation and itch.

Although the effects are not permanent, treatment can bring about excellent results which may be sustained for several months. Usually a course is given two or three times a week for between 4 and 10 weeks depending on the disease and the response to treatment.


Although ultraviolet light can increase the risk of skin cancer in fair skinned or white patients (less so in patients with pigmented skin), the amount one receives during a course of medical phototherapy treatment is usually relatively low.

Consequently, the risk of skin cancer would only start to increase by a significant amount if one had undergone more than 300 sessions of photo therapy

Other side-effects of phototherapy is that it can cause sun tan. The skin will usually darken over repeated exposures. Freckling can also increase in those susceptible

In fair skinned patients, sunburn is a possibility, but in the hands of our experience nurses and physicians assistant, with the use of a special erythema dosing machine, this is usually relatively minor and not a common event

Photoaging: with repeated exposure to ultraviolet, photoaging occurred and this comprises wrinkling, sunspots and thickening of the collagen. This would not normally happen during medical phototherapy as the doses are relatively small and it would take over 300 exposures to start increasing risk significantly of this occurring.



Lots of common sin conditions can be treated with phototherapy. These include:

  • psoriasis
  • vitiligo
  • eczema
  • lichen planus
  • itchy skin

You shouldn’t have phototherapy if you have any diseases that makes your skin sensitive to the sunlight or take any drugs that make you more sensitive to the sun.


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Having the right dermatologist is important especially when you have a chronic skin condition that will require ongoing treatment. We want you to feel confident that we’re providing you with the best possible care. We also want you to feel as comfortable as possible with your dermatologist.

The Harley Street Dermatology Clinic specialises in conditions affecting the skin, hair and nails. Our goal is to provide all the care that you need when you’re experiencing these kinds of problems. We want to make it easy for you to access the best quality treatment and support in London.

Our phototherapy clinic is conveniently located in Central London, so it’s easy to visit us if you need to see a dermatologist. You will find yourself in a very comfortable and welcoming environment. We have created a relaxing space where you will receive the highest quality of care. We are regulated by the Care Quality Commission, are part of the British Association of Dermatologists and are top rated by patients of Doctify so you can be sure of safe and effective treatment with us.


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