June 2011 in “CRC Press eBooks” Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
195 citations
,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
117 citations
,
September 2013 in “Lasers in Surgery and Medicine” Red light therapy at 655 nm significantly improved hair growth in men with hair loss.
81 citations
,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
70 citations
,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
64 citations
,
June 2009 in “Photomedicine and Laser Surgery” Excimer light effectively treats various skin diseases, including psoriasis, vitiligo, and mycosis fungoides.
60 citations
,
November 2020 in “International Journal of Medical Sciences” NIR light therapy may effectively treat eye diseases and improve brain function without side effects.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
38 citations
,
January 2023 in “International Journal of Medical Sciences” Red-light therapy may slow myopia progression better than traditional treatments.
35 citations
,
December 2014 in “Lasers in surgery and medicine” Red light promotes hair growth by directly stimulating hair cells and improving cell communication.
33 citations
,
January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
33 citations
,
January 2017 in “Annals of Dermatology” LED light can help hair growth by activating specific cell pathways.
30 citations
,
January 2015 in “BioMed Research International” Continuous light exposure in rats leads to PCOS-like symptoms and suggests sleep habits might affect the disorder's development.
26 citations
,
November 2019 in “Medical Science Monitor” LED light therapy boosts bone cell growth and function.
25 citations
,
February 2023 in “Aesthetic Surgery Journal” Photobiomodulation is safe for skin rejuvenation, even for those with a cancer history.
25 citations
,
October 2022 in “Ophthalmic Research” Red light therapy temporarily increased blood flow in the eye but didn't change other eye structures.
23 citations
,
July 2021 in “Life” Blue light can help treat skin conditions like eczema and acne without major side effects.
23 citations
,
June 2021 in “Lasers in Medical Science” Blue light therapy may help with hair growth, but more research is needed.
20 citations
,
October 2021 in “Applied materials today” A new microneedle patch and yellow light therapy significantly promote hair regrowth.
19 citations
,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
17 citations
,
December 2015 in “International Journal of Cosmetic Science” Visible light can improve skin disorders and hair loss, but more research is needed to understand long-term effects.
17 citations
,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
15 citations
,
June 2021 in “Medicina” Combined light therapy improves eye health and quality of life for those with meibomian gland dysfunction.
14 citations
,
January 2008 in “Dermatology” Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.
14 citations
,
January 2005 in “Pediatric Dermatology” UVA1-light therapy successfully treated a child's skin condition, mycosis fungoides.
13 citations
,
April 2016 in “Journal of Dermatology” 308-nm excimer light therapy helped over a third of treatment-resistant alopecia universalis patients regrow most of their hair.
13 citations
,
January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
10 citations
,
September 2022 in “Journal of Biophotonics” Blue light therapy is safe for skin and may protect against UV radiation.