September 2024 in “Archives of Dermatological Research” The light-guiding microneedle patch effectively stimulates hair growth in androgenetic alopecia without serious side effects.
21 citations
,
January 2018 in “Lasers in Medical Science” The 1927-nm fractionated thulium laser treatment significantly improves hair thickness and count in pattern hair loss patients.
1 citations
,
June 2025 in “British Journal of Dermatology” Smartwatch light therapy may help regrow hair in alopecia areata.
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.
90 citations
,
February 2000 in “Dermatologic Surgery” Alexandrite laser hair removal is safe for darker skin tones.
85 citations
,
January 2002 in “Dermatologic Clinics” Lasers and intense pulsed light can safely and effectively remove hair by targeting hair follicles.
8 citations
,
May 2004 in “Facial plastic surgery clinics of North America” Laser hair removal is now more effective, but the best treatment schedule is still uncertain.
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.
July 2023 in “Photodermatology, Photoimmunology and Photomedicine” Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.
3 citations
,
January 2025 in “Biomaterials Science” Blue light-enhanced nanovesicles from stem cells improve skin and hair cell function, offering a safer treatment for skin and hair disorders.
2 citations
,
February 2022 in “Biology” Blue laser light reduces energy in mouse skin cells and creates harmful oxygen compounds, possibly harming the cells.
1 citations
,
February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
18 citations
,
May 2022 in “Stem Cell Research & Therapy” Green OLED light improves stem cell effectiveness for better wound healing.
Lasers and light therapy are effective for treating skin conditions like hair loss, vitiligo, psoriasis, and molluscum contagiosum.
1 citations
,
January 2010 in “Biophysical journal” Hair fluorescence intensity can measure radiation exposure effectively.
18 citations
,
July 2014 in “Molecular Medicine Reports” UVB radiation changes the levels of certain microRNAs in skin cells, which may affect cell survival and hair growth.
206 citations
,
September 2010 in “PLoS ONE” The PIRL laser cuts tissue with less damage and scarring than traditional methods.
1 citations
,
July 2025 in “Advanced Science” The microneedles effectively kill MRSA and improve wound healing.
294 citations
,
August 1999 in “Journal of the American Academy of Dermatology” Laser hair removal is safe with the right settings, but side effects like pain and skin changes are more common in darker or tanned skin.
May 2025 in “Journal of Photochemistry and Photobiology B Biology” Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
April 2017 in “Journal of Investigative Dermatology” Laser treatment may help with hair growth in some people with frontal fibrosing alopecia, but results vary and the exact way it works is unclear.
August 2019 in “Research Square (Research Square)” Red LED light improves the quality of Angora rabbit wool by promoting hair growth.
April 2026 in “Biomaterials and Biosystems” Combining exosomes with nanoparticles speeds up healing of diabetic pressure ulcers.
16 citations
,
August 2015 in “Journal of Experimental & Clinical Cancer Research” The photolyase-based device significantly changed the size and heat of potential skin cancer areas in patients.
69 citations
,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
April 2025 in “Journal of Biophotonics” PBM therapy improves mitochondrial function and promotes tissue regeneration in dental pulp stem cells.
February 2022 in “Veterinary record case reports” Light therapy successfully treated a dog's hair growth problem without side effects.
66 citations
,
August 2007 in “Applied and environmental microbiology” The engineered yeast strain BLYAS can quickly and sensitively detect androgenic chemicals.
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.
16 citations
,
April 2015 in “Lasers in Surgery and Medicine” Using a fractional laser can stimulate hair growth, but the intensity and duration of inflammation are crucial. Too much can cause ulcers and scarring. Lower beam energy and fewer treatments are recommended to avoid damage.