7 citations
,
March 2016 in “Journal of Cosmetic and Laser Therapy” Home-use lasers and IPL devices are unlikely to directly cause paradoxical hair growth; it may be linked to inflammation or hormonal issues.
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.
Researchers developed a new model for more realistic computer graphics of hair by considering how light scatters on hair fibers.
26 citations
,
January 2012 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The ESLD recommends international safety guidelines and standards for home-use light-based hair removal devices.
15 citations
,
January 2019 in “Lasers in surgery and medicine” Home-use light devices can significantly reduce hair but are less effective on very dark skin and slower than professional devices.
7 citations
,
November 2013 in “Pediatric and Developmental Pathology” Over half of the children had abnormal hair under a microscope, with many having genetic hair conditions.
January 2019 in “Global Dermatology” Genetic hair shaft abnormalities can be seen with microscopes and often affect scalp hair.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.
85 citations
,
January 2002 in “Dermatologic Clinics” Lasers and intense pulsed light can safely and effectively remove hair by targeting hair follicles.
56 citations
,
March 2017 in “Plant and Cell Physiology” Light sheet fluorescence microscopy effectively measures calcium changes in Arabidopsis root hairs.
31 citations
,
January 2021 in “Plants” Light, sugar, and auxin together influence root and root hair growth in plants.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
24 citations
,
January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
1 citations
,
January 2009 in “Elsevier eBooks” Using Eflornithine cream with laser treatments improves facial hair removal.
1 citations
,
January 2009 in “Elsevier eBooks” Lasers can reduce hair growth but may also damage skin.
June 2020 in “Journal of Investigative Dermatology” The technique effectively shows how human skin and hair cells form into ball-like structures.
61 citations
,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
Laser diode light boosts hair follicle cell growth and certain gene expressions.
7 citations
,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
1 citations
,
September 2019 Laser and light therapies can help regrow hair but need more research for best results.
April 2026 in “Biosensors” Red light increases hair follicles and ATP in mouse skin.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
May 2014 in “Journal of Investigative Dermatology” Scientists developed tools to observe hair regeneration in real time and assess skin health, using glowing mice and light-controlled genes.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for 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.
68 citations
,
January 2007 in “Journal of Cosmetic and Laser Therapy” Laser/light treatments for hair loss are popular but lack scientific data proving effectiveness.
11 citations
,
July 2004 in “International Journal of Cosmetic Science” The conclusion is that a new method to measure hair shine was confirmed to match people's visual assessments.
4 citations
,
May 2021 in “Lasers in Surgery and Medicine” Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.
3 citations
,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
January 2020 in “프로그램북(구 초록집)” Low-level light therapy with a helmet device can increase hair density and improve scalp appearance.