April 2018 in “Journal of Investigative Dermatology” This study found that 1550-nm Er:Glass fractional laser treatment significantly increased hair density and shaft diameter in patients with androgenetic alopecia, though the mechanism may not involve Wnt10A or IGF-1 expression.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
53 citations
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October 2012 in “Journal of dermatological treatment” This study found that low-fluence 1064 nm Q-switched Nd:YAG laser treatment effectively improved melasma in Asian patients without serious side effects, achieving an average improvement rate of 50-74%.
15 citations
,
July 2019 in “Lasers in surgery and medicine” This study found that 1,540 nm fractional erbium-glass laser treatment combined with topical minoxidil significantly increased hair regrowth in alopecia areata patches compared to minoxidil alone, with response rates of 60% versus 16%, though the long-term effects remain unknown.
11 citations
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January 2015 in “PubMed” This study found that the 2,940 nm erbium: YAG laser may promote hair growth in C57BL/6 mice by speeding up transitions in the hair cycle and increasing hair follicle numbers.
10 citations
,
August 2018 in “Dermatologic Surgery” This study found that 1,550-nm Er:Glass fractional laser treatment increased hair density and shaft diameter in patients with androgenetic alopecia, but did not up-regulate Wnt10A and IGF-1 mRNA expression.
9 citations
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July 2022 in “Dermatology and Therapy” 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.
9 citations
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April 2019 in “Dermatologic Therapy” This study reviewed the effectiveness of long pulse 1,064-nm Nd:YAG laser treatments for leg veins, hair removal, and skin rejuvenation, highlighting its safety, particularly for darker skin types, due to reduced pigmentary side effect risks.
3 citations
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June 2017 in “Medical lasers” 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.
1 citations
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July 2015 in “European Journal of Dermatology” This article discusses timed exposure settings with ablative lasers for treating benign dermal tumors and highlights their potential to reduce treatment time and scarring risk, but it reports no new clinical results.
December 2025 in “Medical Lasers” This prospective study found that 1,927-nm fractionated thulium laser treatment significantly increased hair and terminal hair counts in 11 men with pattern hair loss, although it did not change average hair thickness, suggesting it may be a promising therapy for this condition.
May 2024 in “Lasers in medical science” In this retrospective study, a combined therapy of ablative fractional Er: YAG laser and medication was more effective in treating male androgenetic alopecia than medication alone, without causing serious adverse effects, as evaluated over 24 weeks.
April 2024 in “European Journal of Dermatology” This study suggests that the PPP2R3C gene may confer susceptibility to psoriatic arthritis and psoriasis vulgaris in Chinese patients, with additional possible associations involving IL-23R, ERN1, IFIH1, and KIF3A genes.
October 2021 in “Research Square (Research Square)” In this study, a 532 nm laser at 15 J/cm² increased the proliferation and tenogenic differentiation of tendon-derived stem cells in rats, mediated by Nr4a1 up-regulation.
January 2019 in “Chulalongkorn Medical Journal” This study found that combining a 1,927 nm fractional Thulium-doped fiber laser with platelet-rich plasma significantly increased hair density and mass in men with androgenetic alopecia, suggesting it is an effective treatment.
January 2016 in “프로그램북(구 초록집)” This study found that combining a thulium laser with intra-perifollicular PDRN injections significantly improved hair thickness but not hair counts compared to mesotherapy and PDRN in patients with pattern hair loss.
May 2015 in “Journal of The American Academy of Dermatology” The Nd:YAG laser is a successful and safe way to treat ingrown and pincer nails.
August 2022 in “Dermatologic Therapy” This letter discusses the use of the 2940 nm Er: YAG fractional laser for male androgenetic alopecia but provides no new clinical findings.
Using a specific laser and platelet-rich plasma together can effectively improve hair thickness and density in men with hair loss, without serious side effects.
54 citations
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November 2014 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that combining low-fluence Q-switched Nd: YAG laser and intense pulsed light led to faster and more effective melasma treatment compared to using the laser alone, though recurrence still occurred.
39 citations
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August 2017 in “Colloids and Surfaces B: Biointerfaces” This study found that 50-nm PLGA nanoparticles delivered with iontophoresis enhanced skin permeation of indomethacin in rats more effectively than 100-nm nanoparticles, suggesting improved targeting of hair follicles.
April 2025 in “Journal of Biophotonics” This study found that 808 nm laser photobiomodulation altered mitochondrial respiration and enhanced osteogenic protein expression in human dental pulp stem cells, with the effects being dose-specific and more pronounced at 15 J/cm².
63 citations
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January 2006 in “Journal of cosmetic and laser therapy” This study found that pulsed infrared diode laser therapy (904 nm) was effective in promoting hair regrowth in 94% of patients with resistant patches of alopecia areata.
26 citations
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November 2019 in “Medical Science Monitor” This study found that photobiomodulation via LED light at 630 nm and 810 nm increased proliferation and mineralization in osteoblast-like cells, with comparable effects between the two wavelengths.
25 citations
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October 2022 in “Ophthalmic Research” In this study, 650 nm low-level red light therapy may cause a short-term transient increase in retinal fovea perfusion density in children, with no lasting effects observed at 1 hour post-treatment.
22 citations
,
September 2022 in “Medicina” This study found that the dual-wavelength non-ablative fractional laser provides enhanced skin rejuvenation by increasing thermal lesion coverage and collagen remodeling compared to using the CO2 laser alone in an ex vivo setting.
15 citations
,
July 2022 in “Biomedicines” This study found that bioengineered skin substitutes developed for 21 or 28 days effectively mimic native skin's ability to absorb UV radiation, suggesting suitability for treating severe skin defects.
15 citations
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January 2017 in “Lasers in Surgery and Medicine” In this study, four male patients with extensively photodamaged scalps showed a 60-90% improvement in dyspigmentation, lentigines, and keratosis after a single treatment with the fractionated 1,927 nm thulium fiber laser, with no adverse events observed.
5 citations
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April 2020 in “Journal of Mind and Medical Sciences” This review discusses the challenges of treating lipomas and related adipose tissue diseases, finding that laser liposuction is highly effective and preferred by patients due to minimal pain, quick recovery, and low recurrence, and reports no new clinical results.
2 citations
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January 2021 in “JAAD Case Reports” This article reviews potential causes for angiolymphoid hyperplasia with eosinophilia, a benign vascular tumor often found in middle-aged adults, and reports no new clinical findings.