Journal of Cosmetic and Regenerative Medicine

(ISSN: 3107-2933) Open Access Journal
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JCRM 2026, 1(2), 17; doi: 10.65381/jcrm.2026.01010017

Clinical Application of Intense Pulsed Light: An Update and Critical Review

1 Everkeen Medical Centre, Hong Kong
2 Madaes Medical Centre, Hong Kong
* Author to whom correspondence should be addressed.
Received: 7 May 2026 / Accepted: 25 May 2026 / Published: 9 Jun 2026
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Abstract

Background: Intense pulsed light (IPL) has evolved from a vascular and pigmentary device into a versatile platform used across medical dermatology, aesthetic dermatology, scar management and ocular surface disease. Recent publications have expanded its recognized utility in rosacea, meibomian gland dysfunction, melasma, post-inflammatory dyschromia, hair reduction, scar modulation, and multimodal rejuvenation. At the same time, contemporary literature has highlighted unresolved issues regarding patient selection, parameter customization, durability of response, and long-term safety. Methods: A comprehensive literature review was conducted covering publications from 2024 to 2026 on the clinical application of IPL. The source framework was based on MEDLINE, PubMed, and Ovid database retrieval. These include randomized controlled trials, comparative studies, retrospective analyses, systematic reviews, meta-analyses, case series, case reports, translational studies, and narrative reviews. All included studies were classified according to the Oxford Centre for Evidence-Based Medicine 2009 Levels of Evidence. Results: The most mature recent evidence supports IPL for erythematotelangiectatic rosacea and meibomian gland dysfunction-related ocular surface disease, where randomized trials, systematic reviews, and meta-analyses generally show improvement in erythema, telangiectasia, tear film stability, meibomian gland function, and symptom burden. Emerging data also support broader roles in facial rejuvenation, melasma, sensitive skin, hypertrophic scars, keloids, post-inflammatory hyperpigmentation, chalazion, and selected reconstructive or hair-reduction indications. Combination strategies appear particularly promising, including IPL with mesotherapy, topical tranexamic acid, collagen dressings, postoperative radiotherapy, microneedling, fractional carbon dioxide laser, corticosteroids, and gland-directed ocular interventions. However, heterogeneity remains substantial across device platforms, filters, pulse structures, treatment intervals, concomitant therapies, comparator groups, and outcome measures. Several studies are retrospective, small, or indication-specific, and some fields remain supported mainly by case-based or narrative evidence. Conclusions: Contemporary evidence positions IPL as a genuinely multipurpose therapeutic platform rather than a single-indication device. Its strongest present applications lie in vascular rosacea, ocular surface disease associated with meibomian gland dysfunction, and selected rejuvenation protocols. Broader indications are increasingly plausible, but many still require standardized protocols, longer follow-up, and higher-quality comparative trials before firm clinical algorithms can be established.
Keywords: intense pulsed light therapy; rosacea; meibomian gland dysfunction; dry eye syndromes; hyperpigmentation; cicatrix
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
CITE
Lee, K.W.A.; Chan, K.W.L.; Lee, C.H.; Wong, T.H.S. Clinical Application of Intense Pulsed Light: An Update and Critical Review. JCRM 2026, 1, 17.
Lee KWA, Chan KWL, Lee CH, Wong THS. Clinical Application of Intense Pulsed Light: An Update and Critical Review. JCRM. 2026; 1(2):17.
Lee, Kar Wai Alvin; Chan, Kwin Wah Lisa; Lee, Cheuk Hung; Wong, Tin Hau Sky. 2026. "Clinical Application of Intense Pulsed Light: An Update and Critical Review." JCRM 1, no. 2: 17.
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