January 2024 in “Journal of tissue engineering” Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.
November 2024 in “Journal of Investigative Dermatology” Nerve fibers may worsen mast cell activity, leading to abnormal elastic fiber buildup from sun exposure.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Higher SPF sunscreens provide more DNA protection, and the form of sunscreen doesn't affect protection level.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.
May 2026 in “Medical Hypotheses” January 2026 in “Dermatologic Therapy” Photobiomodulation therapy effectively promotes hair regrowth and improves quality of life in alopecia areata without side effects.
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.
May 2022 in “Annals of Oncology” Photobiomodulation therapy may speed up hair regrowth after chemotherapy in the short term.
69 citations
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August 1995 in “Annals of Plastic Surgery” The ultrapulse carbon dioxide laser can effectively resurface skin without scarring.
64 citations
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June 2009 in “Photomedicine and Laser Surgery” Excimer light effectively treats various skin diseases, including psoriasis, vitiligo, and mycosis fungoides.
1 citations
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January 1987 Low-output laser irradiation can stimulate or inhibit biological processes depending on the dose.
November 2025 in “Photochemistry and Photobiology” Standardizing light therapy methods could improve spinal cord injury treatment.
10 citations
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March 2024 in “Frontiers in Bioengineering and Biotechnology” Photothermal hydrogels can kill bacteria and help heal tissue using light-converted heat.
47 citations
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October 2015 in “Dermatologic surgery” The 308-nm excimer laser is effective for skin conditions but needs more research on long-term effects.
2 citations
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June 2020 in “Dermatology and therapy” Narrowband-UVB phototherapy successfully treated a rare case of Graham Little-Piccardi-Lassueur syndrome.
33 citations
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January 2017 in “Annals of Dermatology” LED light can help hair growth by activating specific cell pathways.
March 2024 in “Medical lasers” Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.
January 1997 in “Purdue e-Pubs (Purdue University)” Whole hair strands can reliably measure gamma ray exposure using ESR techniques, but samples should be analyzed quickly or stored in liquid nitrogen.
April 2021 in “Institutional Repositories DataBase (IRDB)” High-intensity red LED light boosts bone cell growth and mineralization.
March 2020 in “Journal of Laser Applications” Photobiomodulation therapy significantly increases hair density and growth for androgenic alopecia, but more research is needed to confirm safety.
4 citations
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December 2014 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì” The excimer lamp is a safe and effective treatment for severe alopecia areata.
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May 1956 in “Journal of Investigative Dermatology” June 1996 in “Journal of Dermatological Science” 76 citations
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February 2007 in “Cancer Research” Protein Kinase Cε increases skin sensitivity to UV damage and skin cancer risk.
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July 1990 in “International Journal of Dermatology” A pulsed electrical field safely and effectively increased hair growth.
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October 2012 in “Dermatologic clinics” Laser and light treatments can effectively remove hair long-term.
1 citations
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June 2006 in “Journal of Cosmetic Dermatology” Photoepilation may disrupt normal wound healing and increase the risk of scars.
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May 1979 in “PubMed”
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April 1999 in “Dermatologic Clinics” Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.