Treatment guide

Pigmentation and Melasma Treatment in London

Pigmentation and melasma treatment in London. Why the diagnosis decides the treatment, what makes melasma worse, and realistic timelines.

Pigmentation and Melasma Treatment in London, editorial image
Types
Solar lentigines, post-inflammatory hyperpigmentation, melasma, freckling
First rule
Any new, changing, irregular or bleeding lesion goes to a doctor, not a laser
Foundation
Daily broad-spectrum sun protection, all year, without exception
Topical
Usually first line, and continued alongside any procedural treatment
Devices
Useful for solar pigment; used cautiously or not at all in melasma
Melasma
Chronic and relapsing. Managed rather than cured
Skin of colour
Higher risk of post-inflammatory pigment change from any treatment
In short

How is facial pigmentation treated?

It depends entirely on which type you have. Sun-induced spots respond well to light-based treatment. Post-inflammatory marks fade with time, topicals and sun protection. Melasma relapses and can be worsened by heat and aggressive laser. Any changing lesion needs medical assessment first.

Conditions this treats

How much does pigmentation treatment cost in London?

The cost of pigmentation treatment in London depends on what the pigment actually is, because solar damage, post-inflammatory marks and melasma are managed differently. Price is driven by the assessment, the topical regime, whether device sessions are appropriate at all, and the ongoing maintenance the condition needs.

  • The assessment itself, which decides whether a device is appropriate or contraindicated.
  • The topical regime, which is usually first line and continues alongside anything else.
  • The number of device sessions where they are suitable, and the interval between them.
  • Sun protection, which is a permanent cost of managing pigment rather than an add-on.
  • Standardised photography and review, without which progress cannot be judged.

Cost follows the assessment rather than preceding it. What treatment costs sets out how a written quotation should be built, and the guide to choosing a skin clinic covers what an unusually low figure has normally had removed from it.

How long does pigmentation treatment last?

Pigmentation treatment manages a tendency rather than removing a fault. Solar lentigines cleared by a device may not return for years if sun protection is worn daily. Post-inflammatory marks fade over months. Melasma is chronic and relapsing, so it is controlled in cycles and returns when protection lapses.

  1. Get any suspicious lesion assessed medically. Nothing else happens until this is done.
  2. Establish daily broad-spectrum protection, correctly applied, for several weeks before any procedure.
  3. Identify the type or types you have, and treat any active inflammation such as acne first.
  4. Begin topical treatment and give it time to work, generally three months before judging.
  5. Add procedural treatment only where the type is appropriate for it, with a test patch.
  6. Plan maintenance from the outset, because pigmentation is a long-term management problem rather than a one-off.

Expect improvement rather than erasure, and expect it slowly. A plan that promises clear skin in six weeks is describing something that does not exist.

Is pigmentation treatment safe?

Pigmentation treatment carries a specific irony: the treatments used can themselves cause pigment change, particularly in deeper skin tones. Heat, light and aggressive exfoliation can all worsen melasma. Safe practice means a recorded skin type, a test patch before any device, conservative settings and daily broad-spectrum sun protection.

  • Making it worse. Heat, aggressive light and inflammation can all deepen pigmentation, and in melasma the setback can last a long time.
  • Post-inflammatory hyperpigmentation from the treatment itself, which is the recurring theme of this entire field in skin of colour.
  • Loss of pigment, producing pale patches, which is harder to correct than excess pigment.
  • Treating an undiagnosed lesion.
  • Spending significantly on procedures while skipping the sun protection that determines whether any of it holds.

What to expect during and after pigmentation treatment

Expect the first appointment to be diagnostic rather than procedural. Solar lentigines, post-inflammatory hyperpigmentation, melasma and freckling look similar and behave differently. Expect standardised photographs, a topical regime started first, and a plan measured in months. Any new or changing lesion is referred to a doctor before anything else.

Four conditions, one word

Solar lentigines
Flat brown patches with a defined border, on skin that has had long-term sun exposure: face, hands, chest, shoulders. Caused by localised increases in pigment production. These respond well to light-based treatment and to topical management.
Post-inflammatory hyperpigmentation
Flat brown or grey marks appearing where inflammation occurred: a spot, an injury, an aggressive treatment. Common in skin of colour. Fades over months to years and responds to topicals, patience and rigorous sun protection. It is not scarring.
Melasma
Symmetrical, blotchy brown or grey-brown patches, typically across the cheeks, forehead, upper lip and jaw. Strongly associated with hormonal factors and with sun and heat. Chronic, relapsing and easily made worse. This is the difficult one.
Freckles
Small, sun-responsive spots that darken in summer and fade in winter, usually appearing in childhood. Generally left alone unless someone particularly wants them treated.

The treatments for these overlap only partially, and one of them can be made permanently worse by a treatment that works well for another. That is why the diagnosis is the whole job.

What actually works

Topical treatment

This is the foundation for every type. Agents that inhibit pigment production, agents that accelerate cell turnover, and antioxidants that reduce the stimulus all have a role, and some of the most effective are available only on prescription. A practitioner who can prescribe has more options than one who cannot, and this is one of the areas where that matters most.

Chemical peels

Useful across several types, with agent and depth chosen against skin type. Mandelic acid is often preferred in darker skin. See chemical peels.

Light and laser

Intense pulsed light and pigment-specific lasers work well for solar lentigines in lighter skin. In darker skin the calculation changes, in melasma it changes again, and a test patch is essential in every case. See laser resurfacing.

Microneedling

Used as a delivery route and as a remodelling treatment, with more caution in melasma than the marketing usually implies.

Time

Post-inflammatory marks fade. Treating them aggressively out of impatience is a common way to create more of them.

How to choose a practitioner for pigmentation treatment in London

Choosing a practitioner for pigmentation treatment in London means finding someone who diagnoses before they treat. Ask how they distinguish melasma from sun damage, whether they record skin type and test patch, what topical regime they start with, and under what circumstances they would decline to use a device at all.

  • How they tell melasma from solar pigment, since the two need opposite approaches.
  • Whether skin type is recorded and a test patch performed before any device.
  • Whether a topical regime is started first and continued alongside procedures.
  • Whether they will refer any new, changing, irregular or bleeding lesion to a doctor.
  • How progress is photographed, since pigment is notoriously hard to judge from memory.

Who pigmentation treatment is not suitable for

Pigmentation treatment with a device is not suitable for anyone with a new, changing, irregular or bleeding lesion, which needs a medical opinion first. It is used cautiously or not at all in melasma, avoided on tanned skin, postponed in pregnancy, and reconsidered where daily sun protection will not be worn.

The rule that comes before everything

Pigmented lesions are not all cosmetic. A new mark, a mark that is changing in size, shape or colour, a mark with an irregular border or more than one colour, a mark that itches, bleeds or does not heal, and any mark that looks different from your others all need assessment by a doctor before anybody treats them.

Lasering an undiagnosed pigmented lesion removes the visible sign of something that may need diagnosis, without removing the thing itself. It is the single most serious avoidable error in this area. A responsible clinic will examine your skin properly and will refuse to treat anything it is not certain about, referring you instead.

Any clinic willing to laser a mole without a diagnosis has told you everything you need to know about it.

Why melasma is different

Melasma behaves less like a stain and more like a condition. The pigment-producing cells in affected areas appear to be persistently overactive rather than simply having produced too much pigment once. That has three consequences.

  • It relapses. Treatment improves it and it comes back, particularly with sun exposure, heat, and hormonal change including pregnancy and some contraceptives.
  • It responds to heat as well as to light. Cooking over a hot stove, a hot yoga class and an aggressive radiofrequency treatment can all provoke it.
  • Aggressive laser can make it substantially and sometimes permanently worse. This is well recognised and it is the reason careful practitioners are conservative here.

A sensible melasma plan is topical-led, patient, and built around avoidance: broad-spectrum protection including protection against visible light, avoiding heat where practical, and long-term topical management. Procedural treatment, where it is used at all, is cautious and sits on top of that foundation rather than replacing it.

Sun protection for pigmentation is not general advice

Ultraviolet A passes through cloud and window glass. Visible light, including from screens and from bright indoor lighting, also contributes to melasma in darker skin types, which is why tinted sunscreens containing iron oxides are often specifically recommended. Ask about this rather than assuming any sunscreen will do.

Your care

Pigmentation and melasma at Cosmetic Skin Clinic London.

The same order every time, with the decision made at assessment rather than at the point of sale.

  1. Assessment

    The skin is examined in consistent light and the finding is named before pigmentation and melasma is discussed as an answer to it. Skin type, medical history, medicines and the routine you are already using all change the plan.

  2. Patch test where it is indicated

    For energy-based treatment, particularly in higher Fitzpatrick types, a test patch and a wait rather than a full treatment on a first visit.

  3. The written plan

    The finding, the treatment, the number of sessions, the interval between them, what you use at home and what it costs, in writing.

  4. The appointment

    Conservative settings first, escalated across a course on the basis of how your skin actually responded rather than on a fixed protocol.

  5. Recovery and aftercare

    Written aftercare covering sun protection, what to apply, what to stop and the signs that mean you telephone rather than wait.

  6. When it is not the right choice

    Where the finding will not respond to this treatment, that is said plainly and the correct route is discussed instead of a compromise.

Common questions

How do I know if I have melasma or sun damage?

Melasma is usually symmetrical and blotchy across the cheeks, forehead and upper lip and fluctuates with sun and hormones. Sun spots are discrete patches with defined borders on chronically exposed skin. A practitioner should tell you which you have before proposing anything.

Can melasma be cured?

It can be improved and controlled. It relapses, so it is managed long term rather than cured.

Will laser get rid of my pigmentation?

For solar lentigines in lighter skin, often yes. In melasma, aggressive laser can make things considerably worse. The diagnosis decides the answer.

How long do post-inflammatory marks take to fade?

Months, sometimes longer in darker skin. They do fade. Sun protection and topical treatment speed it up; picking and aggressive treatment slow it down.

Do I really need sunscreen in the UK?

Yes. Ultraviolet A passes through cloud and glass all year, and visible light also contributes in darker skin types.

Can I treat pigmentation while pregnant?

Several effective topical agents are avoided in pregnancy. Melasma often improves after pregnancy. Discuss timing with a clinician rather than starting treatment.

Should a mole ever be lasered?

Not without medical diagnosis first. Removing the appearance of a lesion without knowing what it is is a serious error.

Related
Enquiries

Ask about pigmentation and melasma.

Tell us what you are seeing on your skin and what you have already tried. You will get a considered reply setting out whether this treatment applies to the finding you have described, what an assessment would need to establish, and what the alternatives are.

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Please do not send clinical photographs or medical records by email. If something has gone wrong after a treatment, contact the practitioner who treated you, or NHS 111, rather than waiting for a reply here.

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