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This article reviews the characteristics and distribution of alopecia areata and reports no new clinical results.

This study found that ruby laser hair removal causes microscopic epidermal damage but does not lead to cellular hyperproliferation, unlike ultraviolet-irradiated cell damage.

This study observed that treating acne scars with fractional ablative laser concurrently with isotretinoin improved outcomes more effectively compared to applying the laser 6 months after isotretinoin treatment ended, as measured by the Quantitative Global Acne Scarring Grading System.

This study found that treatment with fractional 1064 nm picosecond Nd:YAG laser effectively reduced post-acne erythema in adult Chinese patients without causing scarring or pigmentation issues, though some experienced temporary erythema, oedema, pruritus, and acne eruptions.

This study found that both fractional CO2 laser and cryotherapy were effective and safe treatments for alopecia areata, with the CO2 laser showing somewhat better results.

This report suggests that CO2 laser treatment may be an effective alternative for removing traumatic tattoos caused by firearms, based on two successful patient cases.

This literature review suggests that fractional lasers and microneedling, particularly when used with topical agents, may be effective treatments for alopecia areata; however, the small size and number of studies highlight a need for larger trials to confirm efficacy.

This study found that laser Doppler velocimetry can non-invasively predict topical minoxidil response by correlating scalp blood flow changes with sulfotransferase enzyme activity in women with pattern hair loss.

This article reviews 12 clinical applications for transcutaneous laser-assisted drug delivery in skin disorders and concludes that it has potential for broader treatment use.

In this study, the use of Endolift laser treatment significantly improved upper eyelid laxity and eyebrow height in nine patients, with evaluations conducted by blinded physicians showing notable cosmetic outcomes 6 months post-treatment.

This study found that combining ultrapulsed fractional CO2 laser with bovine basic fibroblast growth factor significantly improved acne scars more effectively and safely compared to laser therapy alone.

This study observed that persistent urticaria is a rare side effect of laser epilation, potentially linked to a hypersensitivity reaction in patients with allergies.

This study found that repeated treatments with the long-pulsed ruby laser result in a small but statistically significant reduction in unwanted hair, with high patient satisfaction despite modest efficacy.

In this study, researchers observed that while paradoxical hypertrichosis occurred after laser hair removal in some cases, using daily sun protection and diode laser SHR significantly reduced its incidence, with the periareolar area identified as a high-risk region.

A 308 nm excimer laser successfully treated a boy with a rare skin condition after about a year of weekly sessions.

This review discusses the applications of confocal laser scanning microscopy in visualizing fluorescent compounds within the skin, noting its potential for tracking drug carriers and enhancing penetration studies, but reports no new results.

This study investigated the anti-inflammatory effects of a 940nm diode laser in Wistar rats with carrageenan-induced arthritis and found that a 74J/cm² energy density significantly reduced edema and restored function, whereas 171J/cm² neared thermal exposure limits for the skin.

This study concluded that both low and incremental radiant exposures of diode lasers produced similar hair reduction and patient satisfaction, but low radiant exposure was less painful and better tolerated.

This study concluded that using an erbium:YAG laser for calvarium trepanation and granulation tissue induction is comparable to the rose head burr, offering a beneficial alternative method.

This study found that the long-pulsed ruby laser effectively delays hair growth and has the potential for permanent hair removal with minimal pain and side effects, offering an advantage over traditional hair removal methods.

This study found that using ablative fractional CO₂ laser therapy combined with FUE treatment in patients with post-traumatic eyebrow scars and defects improved follicular survival rates and resulted in well-defined eyebrow shapes.

This study found that while both professional and home-use lasers effectively reduced axillary hair, the professional Diode laser was significantly more effective, achieving 85-88% reduction compared to 46-52% with the home-use laser, which still offers some safety for users.

In this study, fractional CO2 laser treatment for alopecia areata was found to significantly increase terminal hair and patient satisfaction compared to betamethasone valerate cream alone, highlighting its efficacy and safety both as a standalone and combined treatment.

In this case report, hair graying improved in a patient with male pattern hair loss after combined treatment with thulium laser energy and polydeoxyribonucleotide injections, suggesting potential therapeutic benefits.

Laser hair removal can be an effective last-resort treatment for men with stubborn Alopecia Areata who want to be uniformly bald.

This study presents two cases where intralesional methotrexate combined with ablative fractional CO2 laser treatment resulted in excellent outcomes for refractory alopecia areata.

This study found that both CO2 laser combined with topical methotrexate and calcipotriol plus betamethasone treatments improved nail psoriasis similarly, but some symptoms showed no improvement.

This study found that adjusting CO2 laser parameters to 55 W and 0.1–0.15 seconds improved hair graft survival rates to 80-90% in Oriental hair transplant patients.

In this case study, a 39-year-old Japanese woman with severe alopecia areata demonstrated complete hair regrowth after one year using a combination of 0.5% delgocitinib ointment and excimer laser, suggesting potential efficacy and safety compared to conventional treatments.

This case report describes a therapy-resistant folliculitis decalvans patient who showed nearly complete response with increased hair density after treatment with CO2 laser-assisted photodynamic therapy.