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This review discusses recent advancements in dermatological laser therapy, highlighting its growing applications but noting gaps in data on long-term effects and side effects.

This study found that combining ablative fractional CO₂ laser therapy with hair growth factors significantly increased hair density in men with androgenetic alopecia compared to using growth factors alone.

This study concluded that ablative fractional lasers may induce hair regrowth in mice by activating the Wnt/β-catenin pathway.

This study found that the endolaser technique using a small incision is as effective as standard forehead lifts for reducing glabellar frown lines and forehead creases with a shorter recovery time.

This report describes an African-American woman with pseudofolliculitis barbae, hirsutism, and associated postinflammatory hyperpigmentation who was effectively treated with a diode laser.

This review discusses the modest efficacy of home-use laser and light devices for conditions like hair removal and acne, noting limited evidence and a lack of robust trials.

This study found that fractional ultrapulse CO2 laser resurfacing effectively enhanced upper eyelid crease and brow position in patients with low and moderate dermatochalasis, with only mild side effects reported.

In this study, diode laser treatment for hair removal effectively reduced hair across different ethnicities and Fitzpatrick skin types, though side effects like sensitivity, hyperpigmentation, and burns varied by ethnicity and number of treatments. However, these were temporary and did not compromise overall treatment success.

This study concluded that 12 sessions of fractionated thulium laser treatment improved hair density and thickness in patients with pattern hair loss, with further benefits from adding a growth factor solution post-treatment.

This study found that three treatments with the 810-nm diode laser improved skin texture and roughness/bumpiness in keratosis pilaris patients, although it did not reduce redness.

Laser therapy helped new hair grow in scarred skin for three patients.

This study found that an 800-nm diode laser was effective for reducing pigmented hair and extending hair plucking intervals, with most patients tolerating the procedure well without anesthetics.

This study found that wound healing after CO(2) laser resurfacing is faster with occlusive dressings, as they enhance cell migration from hair follicles, compared to untreated skin, which showed delayed re-epithelialization.

In this study, 755-nm alexandrite laser treatment significantly reduced acne keloidalis nuchae lesions in male patients, improving quality of life and showing low recurrence rates, with temporary hair loss as a reversible complication.

This review discusses home-use laser and light skin devices for various dermatological purposes and reports no new clinical findings; the authors highlight the need for dermatologists to evaluate these devices' clinical value.

In this study, FCO2 laser treatment showed significantly better improvement for alopecia areata compared to traditional intralesional corticosteroid injections, with no serious side effects or relapse observed.

This literature review reports that laser-assisted hair removal may improve psychological well-being in women with PCOS, emphasizing its effectiveness and safety when conducted by trained professionals.

The excimer laser may help hair regrow in alopecia areata patients.

This study found that diode laser reduced axillary hair more effectively but with greater pain than intense pulsed light, with both methods producing lasting and safe results.

This study reported that a single treatment with a short-pulsed 755-nm alexandrite laser effectively treated trichostasis spinulosa in patients with skin types II to V, providing rapid results with minimal pain and no recurrence during a 3-month follow-up.

This article reviews considerations and requirements for performing laser hair removal and reports no new clinical results.

This study concluded that low-level fluence 810 nm diode laser therapy was generally well tolerated, safe, and effective for long-term hair reduction in a small sample of patients with various skin types.

This review discusses the use of laser and intense light sources for hair removal and reports no new clinical results; the authors highlight the potential for aesthetic medicine to include these technologies.

This study found that the cytokine-mediated signaling pathway is the primary pathway disrupted in skin after CO2 laser surgery.

The laser comb did not improve hair regrowth in mice with alopecia areata.

This study found that Nd:YAG laser-assisted hair removal achieved high satisfaction with minimal complications among individuals with dark-complexioned skin seeking unwanted hair reduction.

This study found that hydrolyzed wheat proteins extensively penetrated both untreated and chemically treated hair, primarily occupying areas like the endocuticle and cortex.

Laser hair removal might also work by damaging blood vessels around hair follicles.

In this study, long-pulsed 755-nm alexandrite laser treatment for keratosis pilaris significantly improved skin roughness and redness, as well as follicular plug reduction, with good safety and patient satisfaction compared to a moisturizing lotion alone.

In this study, researchers suggest that laser-assisted drug delivery could enhance the administration of platelet-rich plasma, and potentially bimatoprost or minoxidil, for patients with androgenetic alopecia by ensuring uniform placement in the dermis without injection pain.