28 citations
,
December 2017 in “Lasers in Medical Science” Monochromatic light devices, especially the 308-nm excimer laser, are promising for treating alopecia areata but more research is needed.
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.
January 2026 in “Forum Dermatologicum” LED therapy is safe and can help with acne, aging skin, and hair loss, but consumer devices may be less effective.
June 2011 in “CRC Press eBooks” Low-Level Laser Therapy can stimulate healing and cell function, potentially leading to wider medical use.
195 citations
,
January 2008 in “Photochemistry and Photobiology” Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.
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
,
November 2020 in “Optics and Laser Technology” LED light therapy is effective for skin and hair treatments but requires careful use to minimize risks.
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.
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.
4 citations
,
May 2021 in “Lasers in Surgery and Medicine” Light therapy reduces scalp inflammation, boosts hair regrowth with Minoxidil 2%.
January 2025 in “RSC Pharmaceutics” Smart microneedles using advanced tech could improve psoriasis treatment.
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.
33 citations
,
January 2021 in “Aesthetic Surgery Journal” Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.
Adding a topical agent to IPL improves hair reduction and satisfaction without extra side effects.
70 citations
,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
19 citations
,
September 2015 in “Therapeutic Delivery” Active transdermal technologies in cosmetics help deliver skin treatments effectively, but their safety and effectiveness depend on skin type and treatment choice.
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.
9 citations
,
August 2017 in “Photochemistry and Photobiology” Red light at 627 nm can safely trigger IL-4 release in skin cells, potentially helping treat inflammatory skin conditions.
6 citations
,
September 2018 in “Journal of Dermatological Treatment” LLLT devices for hair loss need more research to define proper guidelines.
April 2025 in “Journal of the Association for Research in Otolaryngology” NM2 and RLC phosphorylation are essential for normal inner ear hair cell function.
The combined treatment increased hair density in most patients with Androgenetic Alopecia.
6 citations
,
July 2021 in “Microbial biotechnology” The combined treatment with engineered bacteria and yellow LED light improved wound healing in mice.
6 citations
,
June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
April 2024 in “Frontiers in cellular and infection microbiology” Blue light might help treat skin conditions by affecting the skin's bacteria.
10 citations
,
January 2013 in “Journal of The European Academy of Dermatology and Venereology” The home-use IPL device effectively reduced hair and delayed its regrowth after six months of use, with users happy and no negative side effects.
8 citations
,
February 2017 in “Archives of Dermatological Research” Intense pulsed light treatment effectively reduces underarm hair by making hair follicles smaller and extending their resting phase.
25 citations
,
October 2012 in “Dermatologic clinics” Laser and light treatments can effectively remove hair long-term.
45 citations
,
May 2019 in “Scientific Reports” Low color temperature light (1900 K) benefits health by promoting melatonin, protecting eyes, and aiding healing.
9 citations
,
February 2012 in “Social Semiotics” The document concludes that modern photo stories help represent and challenge how breast cancer affects women's identities and societal norms.