14 citations
,
January 2008 in “Dermatology” Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.
6 citations
,
October 2018 in “Lasers in Medical Science” Low-level laser therapy using near-infrared light may help heart conditions and promote healing by releasing nitric oxide.
5 citations
,
December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
January 2015 in “Przegla̧d dermatologiczny” 308 nm excimer light therapy may help hair regrowth in alopecia areata with delayed results and no serious side effects.
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.
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.
1 citations
,
June 2024 in “JMIR Dermatology” 675 nm laser therapy effectively improves hair growth and density in AGA patients.
675 nm laser therapy effectively improves hair growth in Indian patients with androgenetic alopecia.
January 2019 in “Durham e-Theses (Durham University)” Advanced microscopy shows hair damage and keratin proteins' roles, aiding future cosmetic treatments.
September 2024 in “Journal of the Pakistan Medical Association” A 589 nm laser increases IL-2 and IFN-y gene expression in human T-cells.
May 2022 in “Голова и шея.” Laser exposure at 445±40 nm safely increased tissue temperature without exceeding safety limits.
December 2025 in “Aesthetic Plastic Surgery” The new near-infrared LED device improves skin and hair with no side effects.
150 citations
,
April 1999 in “Dermatologic Clinics” Laser hair removal effectiveness depends on targeting hair structures without harming the skin, and improvements require more research and expert collaboration.
85 citations
,
January 2002 in “Dermatologic Clinics” Lasers and intense pulsed light can safely and effectively remove hair by targeting hair follicles.
31 citations
,
April 1999 in “Dermatologic Clinics” Nd:YAG laser can reduce hair with multiple treatments, but permanent removal isn't guaranteed.
5 citations
,
October 2023 in “International Wound Journal” The portable LED device speeds up wound healing.
March 2024 in “Antioxidants” Excessive blue light harms eye cells and disrupts sleep patterns.
April 2003 in “Journal of Cutaneous Medicine and Surgery” Lasers are effective for some skin conditions but can cause side effects like scarring and pigment changes; careful selection is important, and botulinum toxin type A is successful in reducing sweat in palmar hyperhidrosis.
15 citations
,
June 2021 in “Medicina” Combined light therapy improves eye health and quality of life for those with meibomian gland dysfunction.
10 citations
,
January 2007 in “Journal of cosmetic and laser therapy” The IPL device is safe, effective, and has high patient satisfaction for hair removal.
9 citations
,
May 2005 in “Facial plastic surgery” Laser hair removal can be safe and effective for dark-skinned individuals with the right laser settings.
4 citations
,
September 2023 in “Journal of Dermatological Treatment” Red and near-infrared light-emitting fabric may help improve psoriasis, PMLE, and alopecia areata.
August 2025 in “Journal of Cosmetic Dermatology” Light-based therapy can help regrow hair in different types of hair loss, but more research is needed.
September 2024 in “Archives of Dermatological Research” The light-guiding microneedle patch effectively stimulates hair growth in androgenetic alopecia without serious side effects.
March 2023 in “Cosmetics” The "in-motion" technique for hair removal is less painful and safer than the traditional method, with similar effectiveness.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” Different types of human skin cells respond uniquely to various colors and doses of light, which could lead to specialized light treatments for skin conditions.
14 citations
,
January 2018 in “Indian Journal of Dermatology, Venereology and Leprology” Adding low-level light therapy to minoxidil improves hair growth and patient satisfaction.
10 citations
,
October 2009 in “Photomedicine and laser surgery” IPL treatment can significantly reduce hair in faun tail but may need local anesthesia.
2 citations
,
March 2019 in “Lasers in surgery and medicine” Higher light doses cause more damage to hair follicles, predicting better hair removal results.
Low-level light therapy may reduce hair loss and improve hair quality but it's unclear who benefits most.