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.
65 citations
,
March 2016 in “Lasers in Medical Science” Most low-level light therapy studies did not accurately report how light was measured, affecting treatment reliability.
24 citations
,
March 2015 in “Dermatologic Surgery” Home-use cosmetic laser and light devices show modest results for hair removal and acne treatment, but more research is needed for confirmation.
8 citations
,
October 2020 in “Lasers in Medical Science” LLLT helps treat hair loss by increasing blood flow, reducing inflammation, and stimulating growth factors.
4 citations
,
May 2021 in “Lasers in Surgery and Medicine” Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.
34 citations
,
May 2017 in “Lasers in Surgery and Medicine” Combining low-level light therapy and minoxidil 5% is more effective for female hair loss than using either treatment alone.
31 citations
,
June 2018 in “Dermatologic Surgery” Low-level light therapy safely improves hair coverage, thickness, and count in androgenetic alopecia patients.
8 citations
,
July 2020 in “Medicine” Helmet-like device safely increases hair density for people with hair loss.
5 citations
,
March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.
5 citations
,
October 2020 in “Lasers in Medical Science” Combination therapy works best for female hair loss, increasing density and thickness.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
19 citations
,
September 2011 in “Seminars in Cutaneous Medicine and Surgery” At-home laser and light skin devices are less effective than professional ones, with limited scientific evaluation, but some show promise for wrinkles, hair growth, and acne.
9 citations
,
October 2022 in “Nature Communications” The DiLiCre mouse model is an effective tool for precise genome editing using light.
1 citations
,
May 2018 in “International Journal of Molecular Biology Open Access” Hydrogen peroxide is a major risk factor for melanoma in swimmers, more than UV light.
December 2025 in “Nature Communications” Club-like receptors detect light touch but not whisking.
January 2019 in “Durham e-Theses (Durham University)” Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.
5 citations
,
July 1999 in “Journal of Anatomy” Methylene blue staining effectively highlights detailed nerve structures in rat fur.
5 citations
,
October 2023 in “International Wound Journal” The portable LED device speeds up wound healing.
433 citations
,
April 2015 in “Photomedicine and laser surgery” Photobiomodulation Therapy (PBMT) is recommended as a more inclusive term and shows potential benefits in various treatments.
December 2024 in “Dermatologic Surgery” Dual wavelength LED caps can safely increase hair density in androgenetic alopecia.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
5 citations
,
July 1999 in “Journal of Anatomy” Methylene blue staining effectively reveals detailed nerve structures in rat snouts.
4 citations
,
October 2012 in “Expert Review of Dermatology” Dermoscopy greatly improves melanoma diagnosis and reduces unneeded surgeries.
2 citations
,
May 2014 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.
1 citations
,
April 2024 in “Dermatology Practical & Conceptual” Thick scalp melanoma can be hard to diagnose because it often looks like other skin conditions.
September 2025 in “International Journal of Innovative Technologies in Social Science” Red light therapy may help rejuvenate skin and regrow hair.
520 citations
,
January 2017 in “AIMS biophysics” Photobiomodulation therapy using red and near-infrared light can reduce inflammation and aid in healing various conditions.
39 citations
,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
36 citations
,
April 2016 in “Experimental Dermatology” Photobiomodulation may help with hair growth and wound healing, but research is inconsistent and needs better quality studies.
25 citations
,
February 2023 in “Aesthetic Surgery Journal” Photobiomodulation is safe for skin rejuvenation, even for those with a cancer history.