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.
January 2023 in “Dermatologic Therapy” A new hand-held light therapy device was found to be safe and effective for treating mild-to-moderate acne.
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.
70 citations
,
April 2017 in “Lasers in surgery and medicine” Blue light promotes hair growth by interacting with specific receptors in hair follicles.
43 citations
,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
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.
April 2024 in “Frontiers in cellular and infection microbiology” Blue light might help treat skin conditions by affecting the skin's bacteria.
62 citations
,
July 2018 in “Lasers in Medical Science” LED therapy is safe and shows potential for treating skin conditions and promoting hair growth, but more research is needed.
April 2024 in “Lasers in medical science” Near-infrared LED light improves skin rejuvenation and hair growth better than white LED light.
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.
64 citations
,
June 2020 in “PLoS ONE” Red light boosts beneficial compounds in Eclipta alba cultures.
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.
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.
45 citations
,
May 2019 in “Scientific Reports” Low color temperature light (1900 K) benefits health by promoting melatonin, protecting eyes, and aiding healing.
8 citations
,
October 1989 in “International Journal of Dermatology” Cytochrome P-450 enzymes in the skin help break down various substances and could be targeted to treat skin conditions.
39 citations
,
June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
10 citations
,
September 2022 in “Journal of Biophotonics” Blue light therapy is safe for skin and may protect against UV radiation.
6 citations
,
September 2020 in “Advanced Biology” Blue-light activation of TrkA improves hair-follicle stem cells' ability to become neurons and glial cells.
April 2024 in “International journal of women's health” Adult female acne is a complex condition that can worsen with menopause, requiring holistic treatment and tailored skincare at different life stages.
November 2025 in “Clinical Cosmetic and Investigational Dermatology” Digital microscopy can help diagnose hirsutism by measuring hair growth.
25 citations
,
February 2023 in “Aesthetic Surgery Journal” Photobiomodulation is safe for skin rejuvenation, even for those with a cancer history.
23 citations
,
July 2021 in “Life” Blue light can help treat skin conditions like eczema and acne without major side effects.
January 2026 in “Journal of Hard Tissue Biology” Red LED light boosts cell activity and growth, aiding wound healing and blood vessel repair.
February 2025 in “Cosmetics” Blue light therapy is promising for skin and hair conditions but needs more research for widespread use.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Red light exposure can slow aging in mice by improving fat metabolism.
Photobiomodulation effectively improves skin and hair conditions with minimal side effects.
January 2021 in “Journal of clinical and cosmetic dermatology” Human skin responds to light with protective mechanisms, but more research is needed to understand these processes and their implications for health and therapy.
23 citations
,
June 2021 in “Lasers in Medical Science” Blue light therapy may help with hair growth, but more research is needed.
41 citations
,
October 2024 in “Nature Communications” A new wearable LED device helps heal chronic infected wounds at home.
10 citations
,
May 2015 in “International Journal of Women's Dermatology” New treatments for skin and hair disorders in women of color address unique biological differences and include specific acne medications, sunscreens, skin lighteners, and hair care adjustments.