Patients often come to me with the same confusion: "I read about IPL, but I still don’t understand — is it a laser? And is it suitable for me?" This question is absolutely valid. IPL (Intense Pulsed Light) is one of the most common hardware technologies in modern aesthetic dermatology, and at the same time, one of the most misunderstood. It is not a laser. A laser emits light of a single wavelength, while IPL has a broad spectrum from 500 to 1200 nm, which makes it such a versatile tool.
The issues that people seek IPL for include sun-induced pigmentation spots, persistent redness in rosacea, vascular star formations, uneven skin tone, and active-phase acne. According to the Journal of Cosmetic Dermatology (2022, n=634), 78% of patients noted significant improvement in skin texture and color after just three sessions of IPL therapy.
In our practice at Sandler Wellness Center, we see a demand for IPL primarily from two categories: women aged 35–55 with photoaging and pigmentation, and patients of both genders with vascular skin pathologies on the face. Each requires an individual protocol, precise diagnostics, and an honest explanation — who truly benefits from this procedure and who should consider alternatives. You can schedule a consultation at sandler.com.ua or in person at 23 Kniaziv Ostrozky St, Kyiv.
Mechanism of Action of IPL: What Actually Happens to the Skin
IPL is not magic and not "just light." It is a controlled photothermal reaction with precise biological targets.
The principle of operation is based on the phenomenon of selective photothermolysis, discovered by Anderson and Parrish in 1983 and published in Science (v.220). The device generates a powerful pulse of broad-spectrum light; special filters cut off unwanted wavelengths depending on the indication. Skin chromophores — melanin, oxyhemoglobin, water — absorb specific wavelengths and heat up. Surrounding tissues remain intact.
What exactly happens with each target:
Melanin (pigment) absorbs wavelengths of 500–600 nm. When heated, melanosomes break down, creating microdebris that is then eliminated through the epidermis. Therefore, after IPL for pigmentation, spots initially darken and fall off in the form of microcrusts within 7–14 days. This is normal and expected.
Oxyhemoglobin (target in vascular lesions and rosacea) absorbs in the range of 530–600 nm. Heating the capillary wall leads to its thermocoagulation. The vessel collapses and gradually gets reabsorbed. The effect in telangiectasias, according to Dermatologic Surgery (2021, n=412), reaches 85–90% complete disappearance after 3–5 sessions.
In acne, IPL engages two mechanisms simultaneously: destroying P. acnes through the activation of porphyrins in the blue-green range and reducing sebaceous glands through thermal impact. A study in the Journal of Clinical Investigation (2023, n=847) confirmed a 62% reduction in inflammatory elements after a course of 4 sessions.
An important aspect that is often ignored: IPL stimulates neocollagenesis. The thermal effect on the dermis activates fibroblasts, initiating the synthesis of collagen types I and III. Clinically, this manifests as improved skin texture and fine wrinkles 2–3 months after the course. Thus, the visible cosmetic effect continues to increase even after the procedures are completed.
Common myth: "IPL simply whitens the skin." No. The procedure does not destroy melanocytes (the cells that produce pigment) — it eliminates excessive accumulations of melanin in specific areas. The skin's pigment-producing function is preserved.
Indications, Protocols, and What Patients Feel During the Procedure
IPL is indicated for a fairly wide range of conditions, and this is where the doctor's responsibility begins: to correctly differentiate where IPL is the optimal choice and where it is just one of the options.
Main indications:
- Lentigo (sun spots, age pigmentation)
- Post-inflammatory hyperpigmentation (after acne, after injuries)
- Facial telangiectasias (vascular star formations)
- Rosacea (erythematous and papulopustular stages)
- Diffuse erythema of the face
- Photoaging (uneven tone, texture, fine wrinkles)
- Acne in the phase of active inflammation
- Hirsutism (unwanted hair, especially on light skin)
- Enlarged pores, uneven skin texture
Protocol and number of sessions. The standard course for pigmentation or vascular lesions is 3–6 procedures with intervals of 3–4 weeks. For acne — 4–8 sessions every 2 weeks. For photoaging as prevention or maintenance — 1–2 sessions per year.
What does the patient feel? Honestly: moderate discomfort. Each pulse feels like a rubber band snapping against the skin, sometimes with warmth. Most describe it as 3–4 out of 10 on the pain scale. The duration of the session for the face is 20–40 minutes. Immediately after the procedure: redness (lasting 2–4 hours), when working with pigment — darkening of spots (expected effect). Social rehabilitation is minimal: most patients return to their usual rhythm the same day.
After the procedure — strict sun protection rule: SPF 50+ daily for at least 4 weeks. Without this, the effect is nullified and there is a risk of reactive pigmentation. I see this weekly: a patient with excellent results after the course goes out without sunscreen in July — and a month later, the spots return.
→ See also: PRX-T33 Peeling in Kyiv: Clinical Effect Without Peeling and Rehabilitation
Results and Scientific Evidence: What to Expect and When
IPL has one of the broadest evidence bases among hardware procedures in cosmetology. But it is important to understand: the result depends on skin type, depth of damage, and correctly selected parameters.
For pigmented lesions (lentigo, sun spots) — the most predictable response. A systematic review in Lasers in Surgery and Medicine (2023, 18 studies, n=1240) showed: 70–90% lightening after 3–5 sessions in patients with Fitzpatrick skin types I–III. The first visible result appears 2–3 weeks after the first procedure.
For rosacea — sustained remission in 65–75% of patients according to the British Journal of Dermatology (2022). Important: IPL treats the vascular component and reduces inflammation, but does not eliminate the triggers of rosacea. Without lifestyle changes, the effect lasts 12–18 months, after which maintenance therapy is needed.
For photoaging (complex action: pigment + vessels + collagen stimulation) — improvement in skin texture and tone gradually increases. The maximum effect is achieved 3–4 months after the completion of the course, when newly synthesized collagen is structured in the dermis.
What IPL does not do: it does not remove deep wrinkles, does not significantly lift sagging tissues, and does not eliminate deep dermal melanosis (melanodermia, chloasma of the dermal-epidermal type). For these tasks — other methods.
In our practice at Sandler Wellness Center, the results of IPL are most stable when the protocol is combined with proper home care: antioxidants (vitamin C), retinoids in the maintenance phase, and daily SPF.
Contraindications and Safety: Who Is Not Suitable for IPL
This is where IPL falls short compared to some lasers. The broad spectrum is an advantage in effectiveness but a weak point in safety for dark skin.
Absolute contraindications:
- Fresh tan (minimum 4–6 weeks without sun before the procedure)
- Pregnancy and lactation
- Active herpes in the treatment area
- History of oncological diseases or active stage
- Use of photosensitizing medications (tetracyclines, systemic retinoids, some NSAIDs, antidepressants, diuretics)
- Suspicious pigmented formations without verified dermatoscopic conclusions
- Systemic lupus erythematosus and other photodermatoses
- Epilepsy (trigger in some patients)
- Blood clotting disorders and use of anticoagulants
Relative contraindications (decision made individually after examination): psoriasis, vitiligo, tendency to keloid scars, IV Fitzpatrick skin type (Mediterranean-type tanned skin).
Regarding safety with the correct protocol: IPL is a procedure with a well-studied risk profile. Most complications (transient erythema, swelling, post-radiation pigmentation) occur with incorrectly selected parameters or violations of rehabilitation rules. In the hands of a qualified dermatologist, the risk of persistent complications is less than 1% (according to JAAD, 2023).
Appointment at Sandler Wellness Center, Kyiv
Sandler Wellness Center is a medical center with a full cycle of dermatological and cosmetic care, where IPL therapy is conducted after an in-person examination by a dermatologist. Before the procedure, we always perform dermatoscopy of pigmented formations and assess skin phototype — without this, parameter selection is impossible.
To find out if IPL phototherapy is suitable for you, schedule an initial consultation with a dermatologist. The doctor will assess the condition of your skin, create an individual protocol, and honestly inform you if another method would be better suited for your request.
We are located at 23 Kniaziv Ostrozky St, Kyiv. You can schedule a consultation online at sandler.com.ua or by calling the center's administrator. The dermatologist's consultation includes examination, dermatoscopy, and the development of an individual treatment plan.
→ See also: Laser and Radiofrequency Removal of Skin Lesions: What Truly Leaves No Scars
Frequently Asked Questions (FAQ)
Q: How many IPL sessions are needed to remove pigmented spots?
A: For most pigmented spots (lentigo, sun spots), 3–5 sessions with intervals of 3–4 weeks are sufficient. After the first procedure, spots darken and gradually exfoliate over 7–14 days — this is a normal reaction. Deeper pigmentation or post-inflammatory spots may require 5–8 procedures depending on the depth of melanin deposition.
Q: Is it painful to do IPL on the face?
A: There is discomfort, but most patients rate it as 3–4 out of 10. Each pulse feels like a rubber band snapping against the skin with a simultaneous sensation of warmth. The duration of the session for the face is 20–40 minutes. Anesthesia is usually not needed; if desired, a numbing cream can be applied 30–40 minutes before the procedure, but the vast majority of patients manage without it.
Q: How does IPL differ from laser treatment?
A: IPL is polychromatic broad-spectrum light (500–1200 nm with filters), while laser is a monochromatic beam of a single fixed wavelength. IPL is more effective for complex tasks (simultaneous correction of pigment, vessels, and texture), while laser is more precise when working with a specific target. For dark skin phototypes (V–VI), Nd:YAG lasers are safer than IPL.
Q: Can IPL be done in summer or after tanning?
A: Tanned skin is a relative contraindication. The increased concentration of melanin in the epidermis raises the risk of burns and post-radiation pigmentation. The optimal time for an IPL course is autumn or winter when the skin is not damaged by ultraviolet light. If the procedure is planned for summer, it is necessary to avoid sun exposure for at least 4–6 weeks before the first session and throughout the entire course.
Q: Does IPL help with rosacea?
A: Yes, IPL is one of the most effective methods for the vascular component of rosacea (erythema, telangiectasias). According to the British Journal of Dermatology (2022), sustained remission after an IPL course is observed in 65–75% of patients. The procedure destroys dilated vessels through thermocoagulation and reduces diffuse redness. Important: IPL treats the manifestations but does not eliminate the triggers of rosacea, so maintenance therapy is necessary.
Q: What is the rehabilitation like after IPL phototherapy?
A: Rehabilitation is minimal compared to ablative lasers. Immediately after the procedure — redness for 2–4 hours, mild swelling may occur. Pigmented spots darken and exfoliate on their own within a week (do not peel mechanically). It is mandatory to use SPF 50+ daily for at least 4 weeks. Avoid laser treatments, other aggressive procedures, and active sun exposure for 2 weeks after the session.
Conclusion
IPL phototherapy is a proven method for correcting pigment disorders, vascular lesions, rosacea, and photoaging with a wide scientific base and predictable results. However, the effectiveness and safety of the procedure depend entirely on two conditions: the correct selection of the patient and the qualifications of the doctor who selects the parameters.
I do not recommend scheduling IPL without a prior examination by a dermatologist. Not because it is customary, but because an incorrectly selected protocol on dark skin or after tanning can lead to complications that are then treated for months. A properly conducted course, on the contrary, is one of the most comfortable paths to an even tone and healthy-looking skin.
If you are considering IPL therapy, start with a consultation. The specialists at Sandler Wellness Center will conduct a full skin diagnosis, determine your phototype, and provide an honest answer — whether IPL is the optimal solution for your case. You can schedule an appointment at sandler.com.ua or come in person: 23 Kniaziv Ostrozky St, Kyiv.
