70 citations,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
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.
19 citations,
February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
5 citations,
September 2005 in “Dermatologic Surgery” Using a polarized LED magnifier during hair transplants eases recipient site creation and reduces eye strain but doesn't improve graft creation or placement.
1 citations,
March 2006 in “Dermatologic Surgery” Using a polarized LED magnifier during hair transplants makes creating recipient sites easier and may increase hair density.
47 citations,
May 1999 in “Reproduction” Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.
6 citations,
June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
1 citations,
May 2018 in “Tropical Journal of Pharmaceutical Research” Intense pulsed-light therapy helps mice grow hair by activating a specific growth pathway.
2 citations,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
24 citations,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
16 citations,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
10 citations,
June 2001 in “International Journal of Cosmetic Surgery and Aesthetic Dermatology” Splitting single-hair grafts seems to improve perceived hair fullness without affecting growth, intact grafts grow slightly better, and the Mantis microscope is clear but slower without reducing damage to grafts.
2 citations,
February 2022 in “BioMed Research International” LED light therapy at 863 nm wavelength can slow down skin tumor growth and reduce inflammation in mice.
2 citations,
May 2020 in “Journal of visualized experiments” Controlled light treatment in mouse skin speeds up healing and hair growth.
1 citations,
July 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Light affects skin health, aging, and cancer risk, and new light-based treatments and imaging are promising for skin care.
March 2024 in “Antioxidants” Excessive blue light harms eye cells and disrupts sleep patterns.
September 1997 in “Journal of The European Academy of Dermatology and Venereology” Examining scalp tissue under a microscope helps diagnose and understand hair loss diseases.
20 citations,
October 2021 in “Applied materials today” A new microneedle patch and yellow light therapy significantly promote hair regrowth.
20 citations,
December 2013 in “Journal of Dermatology” UV-B light increases inflammation-related substances in acne-related skin cells.
13 citations,
January 2018 in “Cellular Physiology and Biochemistry” Fat-derived stem cells can help protect and repair skin stem cells from aging caused by UV light.
8 citations,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
6 citations,
September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
2 citations,
November 2018 in “International Journal of Cosmetic Science” Chamomile extract can protect hair from damage caused by light.
2 citations,
March 2017 in “Archives of Plastic Surgery” Intense pulsed light is a safe and effective way to thin hair for East Asians after hairline surgery.
1 citations,
January 2021 in “Brazilian Journal of Medical and Biological Research” Constant light exposure during pregnancy changes newborn rabbits' skin, affecting hair follicles, skin thickness, and pigment cells.
1 citations,
March 2015 in “Journal of the European Academy of Dermatology and Venereology” A clinically suspected melanoma appeared benign under the microscope but was confirmed by specific tests and a rare mutation.
January 2023 in “Dermatologic Therapy” A new hand-held light therapy device was found to be safe and effective for treating mild-to-moderate acne.
41 citations,
July 2012 in “Stem Cells and Development” Low-dose UVB light improves hair growth effects of certain stem cells by increasing reactive oxygen species.
35 citations,
July 2009 in “Optics express” Researchers created a new light source that improves chemical imaging by removing background noise.
43 citations,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” Different types of hair loss have unique features under a microscope, but a doctor's exam is important for accurate diagnosis.