Tri-Wave Laser

At Westfield Clinic, we use a Q-switched Tri-Wave laser system offering three wavelengths: 532nm, 1064nm and 755nm. Each wavelength interacts with melanin differently, allowing us to tailor treatment according to the type and depth of pigmentation, your Fitzpatrick skin type and the characteristics of the lesion.Following a consultation and skin assessment, your practitioner will determine the most appropriate wavelength and treatment approach for your individual needs. We treat suitable clients with Fitzpatrick skin types I–IV, subject to assessment and treatment suitability.532nm – Superficial pigmentationThe 532nm wavelength is strongly absorbed by melanin and can be used to target selected superficial pigmented lesions.Potential treatment indications include:FrecklesSolar lentigines (sun spots)Certain age spotsOther suitable superficial pigmented lesionsThis wavelength requires particular caution in darker skin types because increased melanin absorption can raise the risk of burns and post-inflammatory hyperpigmentation. Suitability is assessed individually, particularly for Fitzpatrick skin types III–IV.1064nm – Deeper pigmentationThe 1064nm wavelength penetrates deeper into the skin and is less strongly absorbed by epidermal melanin than the 532nm wavelength. This can make it useful for selected deeper pigmentation and certain lesions in appropriately assessed skin types.Potential treatment indications include:Diagnosed nevus of OtaSelected deeper pigmented lesionsOther suitable dermal pigmentation concernsNevus of Ota must be diagnosed before treatment. Your practitioner will assess the lesion, your skin type and your suitability before selecting the treatment parameters.Although 1064nm is less strongly absorbed by epidermal melanin, treatment still carries risks and requires appropriate settings and clinical expertise.755nm – Targeted pigmentationThe 755nm wavelength is absorbed by melanin and may be used to target selected pigmented lesions, depending on the device specifications, lesion characteristics and skin type.Potential indications may include:Selected age spotsSun-related pigmentationOther suitable superficial pigmented lesionsCareful assessment is essential because melanin absorption can increase the risk of burns and post-inflammatory hyperpigmentation, particularly in darker skin types. Treatment is offered only where appropriate for the individual and the specific device.Can all three wavelengths be used in one session?Not every client requires all three wavelengths. Depending on the pigmentation being treated, your skin type and your individual assessment, your practitioner may use one wavelength or a combination of wavelengths where clinically appropriate.Your safety and suitability are assessed before treatment. Any pigmented lesion that is changing, irregular, bleeding or otherwise suspicious must be medically assessed before cosmetic laser treatment. Melasma also requires particular care because laser treatment can worsen pigmentation or trigger recurrence in some individuals.

Often, 1-3 treatments are required with a 4-6 week interval to treat small areas of hyperpigmentation and age spots.Occasionally, you may require more than 3 sessions but this is unusual.

It takes only a few minutes to have the treatment.During Q-switched laser pigmentation removal, you may experience a brief stinging sensation, often described as similar to a small elastic band flicking against the skin. The level of discomfort varies depending on the area being treated, the type of pigmentation and your individual sensitivity. Some clients only feel a mild warmth during the treatment. The treatment is very well tolerated.A patch test will be carried out during your consultation before treatment proceeds. This allows you to experience the sensation and helps your practitioner assess how your skin responds, establish appropriate treatment settings and check for any adverse reactions.Your treatment will only proceed when your suitability has been assessed and it is appropriate to do so. Follow the advice provided by your practitioner before and after treatment.​

The treated area may feel sore, warm or sensitive for the first few days. You may also notice temporary redness, mild swelling or tiny pinpoint scabs as the skin heals. Not everyone will experience redness or pinpoint scabbing after treatment; the skin’s response varies from person to person.It is important to allow any scabs to fall away naturally. Do not pick, scratch or rub the treated area, as this can delay healing and increase the risk of scarring or unwanted pigmentation changes.As the scabs naturally shed, the treated pigmentation should begin to fade. Depending on the type and depth of the pigmentation, further treatment sessions or a review may be recommended. Temporary Changes in Skin ColourOccasionally, the treated area may remain pink for a time or become lighter than the surrounding skin. This is known as hypopigmentation. These changes may gradually improve over time, although recovery varies and colour changes can sometimes persist.At Westfield Clinic, we carefully select the laser settings and avoid unnecessary repeat treatment to help minimise the risk of unwanted skin changes. However, these risks cannot be completely eliminated.Protecting Your Skin After TreatmentDaily use of a broad-spectrum SPF 50 or higher is essential following treatment. Protect the area from direct sun exposure and avoid sunbeds and tanning throughout your treatment course. Sun protection helps reduce the risk of further pigmentation changes while your skin heals.Allow your skin to recover fully between sessions and follow the aftercare advice provided by your practitioner which is also available on this page.

Healing time varies from person to person and depends on the type of pigmentation treated, the treatment settings and your skin’s natural healing process.Allow up to two weeks for the skin to heal. The treated area may initially appear darker, develop temporary redness or form small crusts as part of the healing process. The pigmentation may gradually darken and flake away as the skin recovers. Healing times vary, and not everyone will experience flaking.Follow your practitioner’s aftercare instructions carefully, avoid picking or scratching the treated area, and protect your skin from sun exposure using broad-spectrum SPF 50 or higher.If you experience worsening pain, increasing redness, swelling, blistering or any signs of infection, contact the clinic for advice.

Stable, benign age spots (solar lentigines) and freckles are suitable for treatment without GP clearance, provided there are no signs of concern. Sunspots have the following characteristics:Flat, tan, light-brown or dark-brown marks.Usually round or oval, with clearly defined edges.Often appear on the face, backs of the hands, forearms, shoulders and chest.May develop gradually over years of sun exposure.More common in adults with cumulative UV exposure, but they can occur earlier in life too.We are happy to treat birthmarks and nevus of Ota. However, written GP or Dermatologist diagnosis/clearance must be provided before we carry out a patch test. This written confirmation must confirm they are non-malignant before we carry out patch tests. We can accept a screenshot of your patient record in the NHS App.We do not treat suspicious or undiagnosed skin lesions. Any new or changing pigmentation, or a mark that is irregular, uneven in colour, bleeding, crusting, ulcerated, persistently itchy or painful, must be assessed and confirmed by your GP or Dermatologist before cosmetic treatment is considered.

Following the correct preparation advice helps minimise the risk of burns, irritation and unwanted pigmentation changes. Please follow these instructions before your laser treatment.1. Sun Exposure and TanningStrict sun protection is essential.Avoid sunbeds, intentional tanning and significant direct sun exposure for at least 4 weeks before treatment and throughout your treatment course.Avoid fake tan on the treatment area for at least 2 weeks before your appointment.Apply broad-spectrum SPF 50 daily, wear protective clothing and seek shade.Do not attend with sunburn or a fresh tan; your appointment may need to be postponed.UV exposure can increase the risk of burns and post-inflammatory hyperpigmentation (PIH), which can make pigmentation darker or more uneven.2. Skincare Products to AvoidStop potentially irritating active skincare products for at least 1 week before treatment, unless advised otherwise. These include:Retinol, glycolic acid, salicylic acid and azelaic acid.Hydroquinone, bleaching creams and other exfoliating products.Harsh scrubs and products that cause redness, dryness or irritation.Topical retinoids, particularly prescription products, may need to be stopped 3 weeks before treatment. Confirm this with your practitioner before making changes to prescribed skincare.Avoid essential oils on the treatment area for at least 48 hours before your appointment.3. Other Skin TreatmentsAvoid electrolysis, microneedling and chemical peels on the treatment area for at least 1–2 weeks before treatment, and longer if your skin has not fully recovered. Tell your practitioner about any recent cosmetic procedures.4. Medication and Medical HistoryInform your practitioner about all medications, supplements and herbal remedies, including St John's Wort, which may increase sensitivity to light.Tell us about any medication changes, skin conditions, infections, healing problems, recent sun exposure or significant changes in your health.Do not stop prescribed medication, including aspirin or ibuprofen, without advice from your prescribing healthcare professional. Your practitioner will assess whether any precautions or postponement are necessary.5. Consultation and Patch TestA consultation and patch test are required before proceeding. Your practitioner will assess your skin type, pigmentation and suitability, and determine appropriate treatment settings.A patch test helps assess your skin's response but cannot guarantee that side effects will not occur. Any changing, irregular, bleeding or suspicious lesion must be medically assessed before cosmetic laser treatment.6. On the Day of TreatmentArrive with the treatment area clean, dry and free from makeup, moisturiser, oils, perfume and skincare products.Do not exfoliate or use irritating products.Tell your practitioner about any recent tanning, sunburn, skin irritation or changes to your medication or health.Treatment may be postponed if your skin is tanned, sunburnt, irritated or otherwise unsuitable.Important ReminderYour skin must be suitable for treatment, and your circumstances should be reviewed before every session. Contact Westfield Clinic before attending if you are unsure whether your skin is ready.Following these instructions helps reduce the risk of complications and supports safer treatment outcomes.

Post-Treatment Care for Laser Pigmentation ReductionTo ensure the best possible results and minimise side effects, please follow the aftercare instructions below:  Immediately After Treatment•           Mild redness, warmth and swelling are common and usually settle within a few hours to several days.•           The treated pigmentation may initially appear darker during the healing process.•           Apply a cool compress (not ice directly onto the skin) or a soothing product such as Aloe Vera gel if required to reduce any discomfort.•           Over-the-counter pain relief such as paracetamol may be taken, if necessary, but this is not usually required. What to Expect During Healing•           Pigmented areas often darken within 24–72 hours following treatment. This may give the appearance that the pigmentation has worsened initially.•           The darkened pigment may form a fine crust appearance before naturally shedding without you noticing.•           This process typically takes 7–14 days, depending on the area treated and the depth of pigmentation.•           Do not pick, scratch or forcibly remove any pin-point crusting, as this may increase the risk of infection, scarring or unwanted pigmentation changes.•           Some lesions may require multiple treatments for optimal clearance. Treatment-Specific Advice: Pigmented Lesions•           Pigmentation can recur, particularly if ongoing sun protection is not maintained.•           Melasma is a chronic condition, and recurrence is common despite successful treatment, particularly without diligent sun protection Skin CareYour skin may feel sensitive for several days following treatment:·        Use a gentle cleanser and avoid scrubbing, rubbing or exfoliating the treated area.·        Wash with tepid water and avoid hot baths or showers.·        Keep the area moisturised to support healing. Aloe vera gel is ideal following laser treatment.·        Avoid irritants for at least 1-2 weeks, or until the skin has fully healed:o Retinol, tretinoin, adapalene and other topical retinoids.o Glycolic acid, salicylic acid, azelaic acid and exfoliating products.o Hydroquinone or bleaching agents unless specifically advised by your practitioner.o Products containing alcohol, fragrance or harsh active ingredients.•           Avoid electrolysis, microneedling, waxing, chemical peels and other resurfacing treatments on the treated area for 4 weeks, or until fully healed. Sun Protection - Strict sun protection is essential following pigmentation treatments. Important: During the healing process, the treated pigmentation is particularly vulnerable to ultraviolet (UV) exposure. Failure to protect the area from the sun may result in post-inflammatory hyperpigmentation (PIH), causing the treated pigmentation to become darker, more persistent, or uneven in appearance. Strict use of broad-spectrum SPF together with avoidance of direct sun exposure, is essential to reduce this risk of darker pigmentation forming and optimise treatment outcomes.•           Avoid sun exposure and artificial tanning throughout your course and for at least 4 weeks after each session.•           Apply a broad-spectrum SPF 30 or higher (SPF 50 on the face), apply it liberally on the area and frequently throughout the day if outdoors.•           Wear protective clothing, hats and seek shade whenever possible. Activity Restrictions•           Avoid excessive heat and sweating for 24–48 hours, including no vigorous exercise.·        No saunas, steam rooms or hot tubs.·        Avoid swimming pools, baths and prolonged soaking of the treated area for 24–48 hours.Hydration and General Wellbeing·        Keep well hydrated by drinking plenty of water.·        Inform your practitioner of any new medications, supplements or health changes before future appointments. Makeup Use•           Mineral, fragrance-free makeup may be applied after 24 hours, provided the skin surface remains intact. If blistering, broken skin or significant irritation is present, avoid makeup until the area has healed completely. Rare Side Effects: (please inform the clinic if these occur)•           Prolonged redness or swelling.•           Blistering.•           Crusting.•           Infection.•           Temporary or, very rarely, permanent changes in skin pigmentation. If blistering or crusting occurs:·        Keep the area clean and dry.·        Apply a topical antiseptic ointment if advised.·        Do not burst blisters or remove crusts.·        Contact your practitioner as future treatment settings may require adjustment. Signs of infection:Include increasing redness, heat, swelling, pain or pus-like discharge. If these occur, seek medical advice promptly, as antibiotic treatment may be required. Preparation for Your Next Visit•           Do not apply make-up on the day (if treating face), moisturisers, or skincare products to the treatment area.•           Do not use essential oils on the area for 48 hours prior to treatment. Subsequent TreatmentsPlease inform your practitioner before your next appointment if any of the following apply:•           Any change in medications, including herbal remedies or supplements.•           Recent sun exposure or sunburn.•           Use of fake tan products on the treatment area within the previous 2 weeks.•           Pregnancy or significant changes in your medical history. You will be asked to confirm that no changes have occurred before each treatment session. Even subtle changes in skin colour or medication use can increase the risk of adverse reactions, including burns or pigmentation changes. If you have any questions or concerns, or if you notice unusual reactions, please contact us immediately. Your comfort, safety and treatment outcomes are our priority.

This is suitable for, up to and including a Fitzpatrick skin type 4 (see below). Westfield Clinic requires you to complete a short Medical Questionnaire before you commence any laser or IPL treatments. This will be emailed to you prior to your initial consultation, which allows time to check your suitability. Some conditions or medications prohibit you from laser treatments and would be unsafe for you at that time. It is important for the effectiveness of the treatment that you are generally fit and well and that your immune system is not compromised. Common medications that may cause photosensitivity can include but are not limited to: Antibiotics Antidepressants Antihistamines Antihypertensives Antiparasitics Antipsychotics Contraceptives Diuretics Hypoglycaemics NSAID and Retinoids. The medical questionnaire will ask you to list any medications, including the dosage so that we can check your suitability ​​ During the consultation, the treatment will be discussed thoroughly and a series of 3 small patch tests (at various energies) will be carried out, enabling the correct parameters to be established and check your skin's tolerance to light. Full treatment can then commence 3-14 days later following no adverse reactions. ​ For more information on contra-indications that could prohibit you from treatment click here...

Brown staining following varicose vein treatment may be caused by haemosiderin, an iron-containing pigment deposited in the skin. This differs from ordinary melanin-based pigmentation and may not respond to standard pigmentation treatments.Some Q-switched lasers have been used to treat haemosiderin staining, but the clinical evidence is limited, and treatment suitability varies. We do not currently offer this as a routine treatment. We recommend seeking assessment from a vascular specialist or dermatologist to confirm the cause of the staining and discuss the most appropriate options.