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Fotona Laser Treatment for Cystic Acne

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Cystic acne is the most severe form of acne and the most prone to leaving permanent scarring. Unlike papular or pustular acne, the cysts develop deep beneath the skin surface — large, painful, filled with pus that can persist for weeks and are notoriously slow to settle. The combination of deep and slow healing is exactly what drives the characteristic atrophic scarring that follows untreated cystic acne.

Conventional acne treatments often underperform on cystic disease. Topical actives can’t reach the depth where the cysts sit. Oral antibiotics help with inflammation but don’t fully address the mechanism. Isotretinoin works powerfully but carries significant side effects and contraindications. For many patients, represents the most effective in-clinic intervention for cystic acne — addressing the disease at the depth where it lives without the systemic exposure of medication.

This guide explains how cystic acne develops, why Fotona laser is particularly suited to treating it, what a treatment course looks like, and how the compares with the other options at our Baker Street private hospital.

What cystic acne is

Cystic acne is characterised by large, painful, inflamed lesions sitting deep in the dermis. The cysts are pus-filled, often 5 mm or more in diameter, and frequently last several weeks before resolving. Most commonly the face is affected — particularly the jawline, chin and cheeks — but cystic acne also appears on the chest, back, upper arms and shoulders.

Several features distinguish cystic acne from other forms:

The pattern is often confused with severe nodular acne or with severe folliculitis, and the distinction because management . A thorough clinical examination at consultation establishes which pattern you have and what’s driving it.

What drives cystic acne

The shares the four core processes of all acne — excess sebum production, abnormal follicular shedding blocking pores, colonisation by Cutibacterium acnes bacteria, and response — but with several aggravating factors that push it into the cystic pattern.

cycling drives cystic acne more reliably than other forms. Premenstrual flares, perimenopausal onset, postpartum changes and PCOS-related androgen excess all commonly present as cystic . The jawline-and-chin distribution typical of acne is also the most common location for cysts.

Family history of cystic acne is a strong predictor. The inherited tendency affects sebaceous gland sensitivity to hormones, follicular shedding patterns and inflammatory response intensity.

The cystic pattern develops when the inflammatory response is intense enough to rupture the follicular wall, releasing follicular contents into the surrounding dermis and triggering a much larger inflammatory cascade. Once this rupture-and-cascade pattern is established, it tends to repeat.

Manual manipulation of inflamed lesions drives the deep tissue damage that converts a surface pustule into a true cyst. This is the single most preventable cause of cystic conversion and of the scarring that follows. Don’t squeeze acne lesions, particularly inflamed ones.

Pressure (helmets, masks, leaning on the face), occlusion (heavy comedogenic products), heat and humidity, stress, certain (corticosteroids, lithium, some hormonal therapies), and high-glycaemic-index diet can all contribute to flares.

Why Fotona Nd:YAG laser suits cystic acne

The Fotona SP Dynamis Pro at our clinic uses Nd:YAG laser at 1,064 nm — a wavelength specifically suited to addressing the depth at which cystic acne lives. Four mechanisms work in parallel:

1,064 nm through the epidermis without ablating the surface, reaching directly to the sebaceous glands and deep follicular structures where cysts originate. Topical treatments simply cannot reach this depth. Oral medications work systemically but distribute throughout the body. The Nd:YAG laser concentrated thermal effect exactly where it’s needed.

Sebum overproduction is the foundational driver of cystic acne — without excess sebum, follicles don’t block, bacteria don’t colonise, and the inflammatory cascade doesn’t begin. The photothermal effect on sebaceous glands reduces their size and activity, addressing the disease at the source. This mechanism is similar to isotretinoin’s action but achieved locally rather than systemically.

The heat generated by the laser kills Cutibacterium acnes bacteria in the follicle. Unlike long-term oral antibiotics, which drive antimicrobial resistance, the laser mechanism doesn’t select for resistant strains. This is both a clinical advantage for the patient and a public-health advantage.

Laser energy modulates mediators in the skin, reducing the size and pain of active cysts. The same thermal effect stimulates fibroblast activity in the deeper dermis, producing new collagen that begins addressing early scarring while active disease is still being treated. This dual effect is unique to laser among acne treatments.

The treatment course for cystic acne

Cystic acne typically needs a more intensive initial course than milder presentations:

Each session takes 30 to 40 minutes for facial cystic acne. The skin is cleansed and protective eyewear placed. The laser handpiece is passed in six measured passes over the areas, with cold-air through the device for comfort. The is warm tingling rather than pain — most patients tolerate the treatment without topical anaesthetic.

For deep, particularly large cystic lesions, we sometimes combine the Nd:YAG protocol with focal Er:YAG ablation on the surface of the cyst, accelerating drainage and . This combined approach is reserved for specific situations.

There’s no significant downtime. Mild redness and warmth for a few hours after each session is the typical extent. Strict daily SPF 50 for at least two weeks post-session is essential, as with all laser treatments.

What to expect from results

Most patients see meaningful improvement within the first four to six sessions, with continued progress over the full three- to six-month course. The pattern typically this progression:

Established scarring from past cystic acne won’t fully resolve with the laser acne treatment alone. For patients with significant atrophic scarring, we typically add fractional Er:YAG resurfacing or sessions once the active disease is under control. The combined programme addresses both active acne and the scarring legacy of past disease — something no single modality can match. See our dedicated service for the scarring treatment side.

How laser compares with other cystic acne treatments

Isotretinoin remains the most powerful single treatment for severe cystic acne and can produce long-lasting clearance after a six-month course. The downsides — strict contraceptive requirements during and after treatment, mandatory blood monitoring, mood effects, prohibition of cosmetic procedures during and for six months after treatment, and a significant list of other side effects — make it the wrong choice for many patients.

Laser is the highest-impact alternative when isotretinoin is contraindicated or . For some patients, laser then (or vice versa) in sequence is the right plan; we discuss this individually at .

Oral tetracyclines help with the inflammatory of cystic acne but underperform laser on the depth of effect and on the antibiotic resistance concerns. Antibiotic courses also have an inevitable exit point — laser provides a more sustainable long-term mechanism.

For women whose cystic acne has a clear hormonal pattern (jawline distribution, premenstrual flare, response to historical hormonal contraception change), hormonal modulation can be very effective on its own. We often combine hormonal modulation with laser to address both the underlying driver and the surface mechanism.

Topicals alone are inadequate for cystic acne — they can’t reach the depth where cysts sit. Topicals retain a role in maintenance and in addressing surface comedonal lesions alongside laser.

Intralesional triamcinolone (corticosteroid injection directly into a cyst) can settle individual large lesions and is sometimes used for specific cysts ahead of important events. It’s a focal rather than a treatment for the disease, and we use it adjunctively rather than as primary management.

For the broader comparison of treatment options, see our hub guide on the and our specific comparison of .

Pre-treatment preparation

To get the best results from your cystic acne laser programme:

Combining laser with the broader treatment plan

For cystic acne specifically, the most effective approach often combines several modalities:

The is calibrated to your specific presentation — there’s no fixed package. Patients with predominantly hormonal-pattern cystic acne often need different combinations from those with stress-driven flares or genetic-pattern persistent disease.

What we don’t recommend

Frequently asked questions

Most patients see a meaningful reduction in new lesion formation by week six to eight of treatment. Resolution of existing cysts varies — smaller lesions often clear within the first month, larger established lesions may take longer.

The collagen-stimulating effect of laser begins addressing early scarring while treating active disease. For more established atrophic scarring, we typically add dedicated scar treatment — fractional Er:YAG resurfacing or Morpheus8 — once active acne is under control. See for that side of the programme.

No — most patients describe warmth or mild tingling rather than pain. Cold-air through the laser handpiece reduces discomfort further. Topical anaesthetic is rarely needed.

No — we don’t combine concurrent laser with isotretinoin treatment. Skin is too fragile during isotretinoin courses. We typically recommend a six-month wait after isotretinoin completion before starting laser.

Yes — Nd:YAG at 1,064 nm is one of the safest laser wavelengths for Fitzpatrick types IV to VI because less of its energy is absorbed by epidermal melanin. We adjust settings and conduct patch testing where appropriate.

With maintenance sessions every 4 to 6 months, results sustain indefinitely. Without maintenance, gradual is common — but typically less severe than pre-treatment.

Course pricing depends on length of programme and area treated. We offer discounted packages for full course . A consultation gives an exact quote. is available through Chrysalis Finance.

Our cystic acne programmes Fotona SP Dynamis Pro Nd:YAG laser, prescription topical regimens (including the Obagi CLENZIderm M.D.™ System), hormonal where appropriate, and dedicated scar treatment under one clinical team at our Baker Street private hospital. Treatment is delivered by clinicians experienced in calibrating protocols across skin types and acne severities. The goal is not just to clear active cysts but to prevent the that defines the long-term cost of cystic acne.

Centre for Surgery · CQC-regulated · GMC specialist-registered surgeons · · · ·

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Centre for Surgery is a CQC-regulated hospital on London’s Baker Street, delivering plastic and cosmetic surgery through GMC-registered specialist surgeons. Our expertise spans facial procedures including and , , for men, and body such as and . Patient safety, surgical excellence and natural-looking results sit at the heart of everything we do.

Centre for Surgery is a CQC-regulated private hospital on London’s iconic , offering plastic and cosmetic surgery led by GMC-registered consultant surgeons.

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