February 2026 in “Cureus” The Q-switched ruby laser effectively lightened eyebrow tattoos but may reduce eyebrow hair density.
May 2024 in “Brazilian Journal of Hair Health” Phototherapy with red and blue light can effectively treat hair loss.
January 2024 in “International Journal of Health Science” Scalp cooling and low-power light therapy show promise in reducing chemotherapy-induced hair loss but need more research.
November 2023 in “Journal of Cosmetic and Laser Therapy” Most alopecia patients are open to trying light therapy, especially at-home devices, but cost is a big factor in their willingness.
research Skin
August 2022 Goat hair growth is influenced by light cycles and diet, and skin diseases in goats are diagnosed through a step-by-step process and often involve viral or bacterial infections.
Heated radish extract may help lighten skin and reduce aging signs.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a new way UVB light increases skin pigmentation through the ATP-P2X7 pathway.
74 citations
,
July 1995 in “PubMed” Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
65 citations
,
May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
53 citations
,
November 1997 in “Journal of Forensic Sciences” Darker hair in guinea pigs holds more codeine than lighter hair.
27 citations
,
January 1995 Melanin in black hair protects it from sun damage better than light-brown hair.
26 citations
,
July 2007 in “Biochemical Pharmacology” ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
22 citations
,
June 2002 in “Seminars in cutaneous medicine and surgery” Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.
10 citations
,
March 2024 in “Frontiers in Bioengineering and Biotechnology” Photothermal hydrogels can kill bacteria and help heal tissue using light-converted heat.
7 citations
,
April 2020 in “Curēus” Combining hair transplantation with microneedling or laser and UV light may help treat tough vitiligo on hands and feet, with microneedling being affordable and easy to learn.
3 citations
,
July 2020 in “Frontiers in Cell and Developmental Biology” Vitexin Compound 1 may help reduce skin aging caused by UVA light.
3 citations
,
January 2011 The method measures finasteride accurately and cheaply using UV light.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
1 citations
,
November 2021 in “Journal of General and Family Medicine” Stopping finasteride improved a man's skin rash caused by light exposure.
1 citations
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September 1984 in “Journal of Biological Education” Plants change their growth in response to shade based on light signals detected by phytochrome.
November 2025 in “International Journal of Advanced Research” Platelet-rich plasma therapy effectively treated laser-induced skin lightening.
July 2025 in “Dermatology Practical & Conceptual” Topical eyedrops may cause eyelash whitening and skin lightening around the eyes.
August 2024 in “Journal of the National Medical Association” ChatGPT is more accurate at diagnosing hair disorders in lighter skin tones than darker ones.
April 2020 in “Arquivo Brasileiro De Medicina Veterinaria E Zootecnia” A horse in Brazil had seasonal hair loss possibly linked to light exposure and melatonin levels.
September 2017 in “Journal of Investigative Dermatology” Mackerel fermented fish oil protects skin cells from damage by UVB light.
January 2016 in “Munich Personal RePEc Archive (Ludwig Maximilian University of Munich)” A new method using gold nanoshells and infrared light effectively delivers siRNA to cancer and stem cells with precision and minimal damage.
September 2005 in “Eclética Química” A quick method to measure minoxidil using a light-based titration technique was developed.
40 citations
,
August 2005 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Acitretin moderately improved skin and eye issues but not hair loss or light sensitivity in a 3-year-old with IFAP syndrome.
28 citations
,
August 2015 in “Journal of Drug Targeting” The new CoQ10 gel protects mouse skin better against aging from UV light than the old gel.
22 citations
,
September 1986 in “Journal of Investigative Dermatology” Low-dose topical alpha-terthienyl may be a safer option for treating skin conditions with light therapy.