September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
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.
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.
2 citations
,
December 2013 in “Journal of Cosmetic Dermatology” UV treatment can damage hair, so protection is advised.
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.
3 citations
,
January 2005 in “Photochemistry and Photobiology” Protein kinase C epsilon may promote skin cancer development after UV exposure by affecting nearby cells.
31 citations
,
February 1999 in “Dermatologic surgery” Sun exposure after laser hair removal can cause skin darkening, which is hard to treat and requires avoiding UV light.
24 citations
,
January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
December 2024 in “Cell Communication and Signaling” Fat tissue vesicles protect skin from UV damage better than stem cell vesicles.
6 citations
,
August 1993 in “Archives of Dermatology” The study found that polymorphous light eruption varies among patients and can be distinguished from benign summer light eruption by the time it takes for symptoms to appear after sun exposure.
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.
14 citations
,
September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.
November 2022 in “Journal of Investigative Dermatology” The study found that skin inflammation and immune response pathways are activated in Solar Urticaria patients after UV exposure, unlike in healthy people.
11 citations
,
April 2013 in “SpringerPlus” Human skin's melanocytes respond to light by changing shape, producing pigments and hormones, which may affect sleep patterns.
10 citations
,
May 1983 in “International Journal of Dermatology” Some people with severe hair loss saw hair regrowth after a specific light and drug treatment.
32 citations
,
September 1989 in “Medical Clinics of North America” Skin problems are common in lupus, important for diagnosis, and can be triggered by sunlight.
2 citations
,
September 2022 in “Annals of Medicine and Surgery” A man with a rare scalp cancer was successfully treated, highlighting the need for early management to prevent spread and complications.
20 citations
,
December 2013 in “Journal of Dermatology” UV-B light increases inflammation-related substances in acne-related skin cells.
November 2022 in “Journal of Investigative Dermatology” Apocynin may protect skin cells from aging and damage caused by UVB light.
July 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.
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.
41 citations
,
August 1988 in “Journal of The American Academy of Dermatology” A woman with subacute cutaneous lupus erythematosus had widespread skin symptoms triggered by medication and sunlight, which improved with specific treatments.
July 2023 in “Photodermatology, Photoimmunology and Photomedicine” Infrared radiation can cause skin aging and cancer at high temperatures but may have therapeutic benefits at controlled levels.
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.
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.
2 citations
,
March 2025 in “Archives of Dermatological Research” HEV light can harm or help skin and scalp, so safe exposure guidelines are needed.
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.
23 citations
,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
16 citations
,
October 2015 in “Photochemistry and photobiology” Reducing copper (II) ion levels in hair can decrease hair damage.
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.