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.
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.
17 citations
,
April 2004 in “Acta Clinica Belgica” UV light makes skin signs of lack of carotene and vitamin A more visible.
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.
3 citations
,
January 2005 in “Photochemistry and Photobiology” Protein kinase C epsilon may promote skin cancer development after UV exposure by affecting nearby cells.
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.
September 2025 in “International Journal of Cosmetic Science” Heat and UV exposure damage hair structure by altering keratins.
28 citations
,
January 2005 in “Photochemistry and Photobiology” Protein kinase C epsilon may increase skin cancer risk by affecting nearby cells.
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.
4 citations
,
August 2015 in “Journal of Cosmetic Dermatology” Sunscreens with UVA blockers effectively reduce skin fluorescence for several hours.
March 2026 in “Mendeley Data” March 2026 in “Mendeley Data”
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
,
July 2004 in “International Journal of Cosmetic Science” UV radiation and visible light can damage hair, but there are ways to protect it.
2 citations
,
December 2013 in “Journal of Cosmetic Dermatology” UV treatment can damage hair, so protection is advised.
June 2024 in “Skin Research and Technology” Red fluorescence in AGA scalps is linked to different microbes.
1 citations
,
May 2018 in “International Journal of Molecular Biology Open Access” Hydrogen peroxide is a major risk factor for melanoma in swimmers, more than UV light.
59 citations
,
January 2013 in “Annals of Dermatology” Asian hair is more resistant to UV damage due to higher lipid content.
20 citations
,
December 2013 in “Journal of Dermatology” UV-B light increases inflammation-related substances in acne-related skin cells.
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.
9 citations
,
June 2017 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Local inflammation worsens autoimmune skin conditions by increasing antibody buildup.
April 2024 in “Lasers in medical science” Lasers and light therapies are effective in promoting hair regrowth for different types of hair loss.
January 2011 in “Journal of The American Academy of Dermatology” Treating generalized granuloma annulare is difficult, with PUVA being the most effective option, but relapses are common.
April 1955 in “Archives of pediatrics & adolescent medicine” Children's skin diseases need special care and treatment.
351 citations
,
February 2010 in “Nature Cell Biology” Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.
80 citations
,
January 1979 in “Journal of Surgical Oncology” Keratoacanthoma is a common, usually non-dangerous skin tumor that looks like squamous cell carcinoma but rarely becomes severe.
41 citations
,
July 2012 in “Stem Cells and Development” Low-dose UVB light improves hair growth effects of certain stem cells by increasing reactive oxygen species.
39 citations
,
March 2017 in “Dermatologic clinics” UV light can help stimulate the growth of new pigment cells from hair follicles in people with vitiligo.
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.
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.