27 citations,
January 2002 in “Exogenous Dermatology” Chronic exposure to sunlight may worsen male pattern baldness and protecting the scalp from the sun could slow it down.
26 citations,
April 1998 in “Journal of Investigative Dermatology” Sunscreens with higher SPF and UVA filters offer the best protection against skin aging from UVA rays.
22 citations,
July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
20 citations,
December 2013 in “Journal of Dermatology” UV-B light increases inflammation-related substances in acne-related skin cells.
19 citations,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
19 citations,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
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.
17 citations,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
11 citations,
November 2015 in “Carcinogenesis” Deleting TNFα gene reduces skin cancer risk in certain mice.
10 citations,
January 2013 in “Journal of skin cancer” PKC ε increases hair follicle stem cell turnover and may raise skin cancer risk.
9 citations,
September 2009 in “Journal of Cutaneous Medicine and Surgery” UV light causes skin color loss in bald areas; wear a cap and use sunscreen.
8 citations,
April 2016 in “Experimental dermatology” B6.Cg-Tyr c−2J Hr hr /J mice have a stronger delayed sunburn reaction and are good for UV research.
8 citations,
May 1987 in “Journal of The American Academy of Dermatology” UV light does not significantly affect minoxidil's ability to treat male pattern baldness.
7 citations,
September 2004 in “International Journal of Cosmetic Science” Blond hair lightens more with visible light directly, while ultraviolet light lightens it after washing by damaging other hair parts.
6 citations,
July 2013 in “Experimental and Therapeutic Medicine” Ginsenoside Rg1 protects mouse skin from UVB damage and helps control inflammation.
6 citations,
October 2007 in “Medical Hypotheses” Male pattern baldness might have evolved to help protect against prostate cancer by increasing UV radiation on the scalp.
5 citations,
March 2012 in “Microscopy Research and Technique” UVB radiation changes the chemical makeup and dries out human hair but doesn't alter its appearance or texture.
3 citations,
October 1979 in “Laboratory animals” Hairless rats are good for testing anti-inflammatory drugs, similar to haired rats, without needing to remove fur.
2 citations,
March 2017 in “Asian Journal of Beauty and Cosmetology” Caffeic acid protects human scalp cells from UV damage.
1 citations,
July 2023 in “Biomimetics” A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.
June 2024 in “Skin Research and Technology” Red fluorescence in AGA scalps is linked to different microbes.
November 2022 in “Journal of Investigative Dermatology” Apocynin may protect skin cells from aging and damage caused by UVB light.
August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Increasing type 17 collagen reduces aging signs in skin cells caused by UV light.
March 2023 in “Chinese Journal of Dermatology” Protecting hair and scalp from sunlight may help prevent hair loss.
January 2023 in “International journal of research publications” Rice bran oil works as well as 2% minoxidil to prevent hair loss and promote hair growth.
93 citations,
May 2002 in “Journal of Investigative Dermatology” Overexpressing thrombospondin-1 in mice skin prevents UVB-induced skin damage.
37 citations,
November 2011 in “Photodermatology Photoimmunology & Photomedicine” Narrowband UVB phototherapy alone is not very effective for treating alopecia areata.
25 citations,
April 2019 in “Journal of The American Academy of Dermatology” Using 2% tofacitinib cream with narrowband ultraviolet B improved facial vitiligo by 70% in patients who didn't respond to previous treatments, with no side effects reported.
12 citations,
January 2011 in “Photodermatology, photoimmunology & photomedicine” This therapy effectively treats resistant alopecia areata with minimal side effects.
9 citations,
June 2019 in “Archives of Dermatological Research” Both topical calcipotriol and narrowband UVB improved alopecia, but combining them didn't enhance the effect on hair loss severity, despite higher vitamin D3 levels.