222 citations
,
January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
5 citations
,
December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
3 citations
,
August 2017 in “Dermatologic therapy” UVA-1 phototherapy might help treat alopecia areata.
3 citations
,
June 2024 in “Journal of Cosmetic Dermatology” UV rays and pollution increase hair damage.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
25 citations
,
March 2012 in “Photodermatology Photoimmunology & Photomedicine” Photodynamic therapy successfully treated a difficult scalp condition causing hair loss.
3 citations
,
May 2020 in “Acta pharmaceutica” Protocatechuic acid can reduce melanin production and boost antioxidant activity in hair follicles.
September 2018 in “The Medical Journal of Cairo University/The Medical Journal of Cairo University” Polarized light therapy helps hair regrowth in alopecia areata patients.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Pulsed red light boosts collagen and energy in cells faster than continuous red light.
1 citations
,
November 2004 in “International Journal of Cosmetic Science” External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.
9 citations
,
May 2013 in “JAMA Dermatology” Sunlight exposure improved a patient's skin condition, and there may be a link between a certain disease and skin growths; a leukemia treatment caused changes in hair color and growth.
63 citations
,
December 2002 in “Archives of Dermatology” The 308-nm excimer laser is a promising treatment for vitiligo with varying success and mild side effects.
May 2017 in “Journal of The American Academy of Dermatology” LED light helps human hair root cells grow and prevents them from dying by activating specific growth pathways.
8 citations
,
June 2021 in “Frontiers in Medicine” The combination of the excimer lamp and liquor carbonis detergens is more effective for scalp psoriasis than the lamp alone.
June 2023 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” Home photobiomodulation therapy can improve life quality and mobility for disabled individuals.
April 2018 in “Radiotherapy and Oncology” Mitochondria may influence how cells respond to radiation, affecting nearby non-irradiated cells.
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
November 1998 in “Journal of The European Academy of Dermatology and Venereology” A man's skin cancer improved and some of his hair grew back after treatment with a special light therapy and a medication.
October 2025 in “Animals” Blue light masks improved coat condition and energy in horses with PPID.
12 citations
,
April 1960 in “The anatomical record” X-ray exposure affects developing hair follicles.
November 2023 in “Journal of cosmetic dermatology” The 595-nm pulsed dye laser effectively reduces symptoms of EFFC with minimal side effects.
5 citations
,
November 2015 in “International Journal of Radiation Biology” Gamma-ray exposure can cause long-lasting damage to hair follicles, affecting hair structure and color.
August 2018 in “Zenodo (CERN European Organization for Nuclear Research)” New techniques can record electromagnetic fields in hair follicles for potential medical use.
25 citations
,
January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
November 2022 in “Journal of Investigative Dermatology” The LED light therapy mask improved skin elasticity and reduced signs of aging in a test and in women aged 40-60.
May 2017 in “Journal of The American Academy of Dermatology” 595 nm pulsed dye laser is a cost-effective treatment for nonmelanoma skin cancer with a low recurrence rate.
20 citations
,
October 2001 in “British Journal of Ophthalmology”
April 2017 in “Journal of Investigative Dermatology”
161 citations
,
July 2003 in “ACM Transactions on Graphics” Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.
15 citations
,
June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.