January 2026 in “Nature Communications” A wearable device using NIR light may help treat hair loss non-invasively.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Blue light can help hair grow by affecting certain receptors in hair follicles.
1 citations
,
November 2016 in “Experimental and Therapeutic Medicine” Low-dose 800 nm laser effectively treats blackheads and coarse pores without harming cell growth.
14 citations
,
September 2017 in “Clinical and Experimental Dermatology” Systemic photodynamic therapy can effectively treat stubborn folliculitis decalvans with few side effects.
14 citations
,
January 2018 in “Scientific reports” Bioluminescence imaging can track hair follicle cells and help study hair regrowth.
February 2025 in “Brazilian Journal of Hair Health” The Brazilian candle flame technique can damage hair by melting the cuticle and exposing the cortex.
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.
November 2024 in “Dermatology Online Journal” Light-based therapies show promise as safe treatments for hair loss.
8 citations
,
January 2025 in “JADA Foundational Science” Photobiomodulation therapy can reduce pain and inflammation and help heal tissues, but more research is needed to improve its effectiveness and safety.
January 2026 in “National Science Review”
6 citations
,
August 1993 in “Archives of Dermatology” The study found that polymorphous light eruption varies among patients and can be distinguished from benign summer light eruption by the time it takes for symptoms to appear after sun exposure.
25 citations
,
October 2022 in “Ophthalmic Research” Red light therapy temporarily increased blood flow in the eye but didn't change other eye structures.
2 citations
,
May 2010 in “Actas Dermo-Sifiliográficas” Home-use medical-cosmetic devices like lasers for hair removal may be convenient but need more research to confirm safety and effectiveness.
2 citations
,
January 2003 in “Dermatologic surgery” The 800-nm pulsed diode laser is a safe and effective long-term treatment for trichostasis spinulosa in dark-skinned individuals.
November 2025 in “Photochemistry and Photobiology” Standardizing light therapy methods could improve spinal cord injury treatment.
1057 citations
,
November 2011 in “Annals of Biomedical Engineering” Low-level Laser Therapy may help reduce inflammation, pain, and aid healing, but more research is needed to confirm its effectiveness and establish standard treatment guidelines.
Low level laser or LED therapy combined with infiltrations may help hair growth.
Normal cells stain well with fluorescent globulin, but tumor cells do not.
4 citations
,
April 2014 in “Lasers in Surgery and Medicine” TRASER effectively targets blood vessels and hair follicles for potential use in vascular and hair removal treatments.
2 citations
,
January 1999 in “Dermatology”
2 citations
,
May 2023 in “Photobiomodulation, photomedicine, and laser surgery” Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.
16 citations
,
April 2025 in “Journal of the American Academy of Dermatology” Photobiomodulation is safe and effective for treating certain conditions like nerve pain and hair loss.
April 2026 in “Frontiers in Medicine” The 675-nm diode laser may safely help treat telogen effluvium.
56 citations
,
November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
July 2002 in “Dermatologic Surgery” Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.
Red light therapy is safe and works well for hair loss.
41 citations
,
September 2010 in “British journal of dermatology/British journal of dermatology, Supplement” Both intense pulsed light and long-pulsed diode laser effectively reduced facial hair in women, with no significant difference in satisfaction after 6 months, but intense pulsed light was more painful.
23 citations
,
September 2011 in “Journal of Dermatological Science” Red LED light helps mouse hair grow by increasing growth factors from skin cells.
January 1998 in “Lasers in Surgery and Medicine” Lasers are effective and safe for various medical treatments, including cancer, wound healing, and skin conditions.
47 citations
,
November 2000 in “Archives of dermatology” Pulsed infrared laser can effectively reduce symptoms of pseudofolliculitis barbae.