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.
March 2025 in “ACS Applied Materials & Interfaces” Ultrasonic microneedles improve hair regrowth treatment effectiveness without side effects.
July 1998 in “Proceedings of SPIE” Low-power laser therapy is an effective, side-effect-free treatment that speeds up hair regrowth and crural ulcer healing.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Removing UBE2N from skin cells causes inflammation and immune response, which can be lessened with specific inhibitors.
August 2022 in “Frontiers in Pharmacology” Ultrasound can improve targeted drug delivery, making treatments more effective with fewer side effects.
October 2023 in “International Journal of Cosmetic Science” WS Biotin, a new form of D-Biotin, improves water solubility and shows potential for hair and skin care without being toxic at low levels.
September 1998 in “Journal of the European Academy of Dermatology and Venereology” October 2025 in “Phytomedicine” Bazi Bushen capsules reduce skin aging and damage from UV rays.
Low-level light therapy can promote hair growth by stimulating cell interactions in hair follicles.
1 citations
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April 2016 in “Journal of Investigative Dermatology” UV photography can help identify people at higher risk for skin cancer, and male pattern baldness at age 45 is linked to a higher risk of certain skin cancers.
Different types of skin cells and immune cells play a role in healing UV-damaged skin, with chronic UV exposure causing lasting damage to certain skin cells.
44 citations
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June 2015 in “British Journal of Pharmacology” Betulinic acid can help treat hepatitis C by stopping virus replication.
30 citations
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November 1996 in “Archives of Dermatology” UV rays can cause a type of hair loss known as telogen alopecia.
2 citations
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March 2017 in “Asian Journal of Beauty and Cosmetology” Caffeic acid protects human scalp cells from UV damage.
10 citations
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March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
January 2024 in “Updates in clinical dermatology” Photobiomodulation effectively stimulates hair growth and reduces hair loss.
15 citations
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April 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” A3B5 can reduce skin pigmentation and slow melanoma growth.
62 citations
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January 2003 in “Dermatology” Sunlight worsens hair loss; protect scalp.
June 2017 in “Journal of The American Academy of Dermatology” LED light helps hair follicle cells grow and prevents them from dying by activating certain cell pathways.
5 citations
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May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” The DWLSM provides detailed imaging of hair shafts and follicles with high accuracy.
May 2026 in “Medical Hypotheses” 2 citations
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August 2008 in “Oncotarget” Apoptosis in hair follicles spreads through cell death signals, with stem cells slowing the process.
20 citations
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November 2014 in “JAMA dermatology” The 810-nm diode laser improves skin texture in keratosis pilaris but not redness.
23 citations
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July 2008 in “British journal of dermatology/British journal of dermatology, Supplement” Topical contact sensitizers can treat certain skin conditions but are rarely used in the U.K.
28 citations
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December 2017 in “Lasers in Medical Science” Monochromatic light devices, especially the 308-nm excimer laser, are promising for treating alopecia areata but more research is needed.
20 citations
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December 2003 in “Journal of Cosmetic and Laser Therapy” An 800nm diode laser safely and effectively reduces hair for about 8 months, with most patients satisfied and few side effects.
35 citations
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July 2009 in “Optics express” Researchers created a new light source that improves chemical imaging by removing background noise.
May 2025 in “Drug Delivery and Translational Research” May 2026 in “Journal of Photochemistry and Photobiology” Solar radiation and pollution damage hair, especially light-colored and bleached hair.
3 citations
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July 1969 in “PubMed” Radiation reduced zinc levels, growth, organ weights, and hair pigment in swine.