7 citations
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January 2001 in “Comprehensive series in photosciences” UV radiation significantly damages hair, especially with humidity, making it more vulnerable to further damage.
10 citations
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March 2016 in “Toxicology and applied pharmacology” Using A132 hair dye with sunlight can cause skin damage and hair loss.
1 citations
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June 2006 in “Journal of Cosmetic Dermatology” Photoepilation may disrupt normal wound healing and increase the risk of scars.
12 citations
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December 2017 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
November 2025 in “Journal of Investigative Dermatology” Light skin shows more inflammation from sun exposure than dark skin.
Different types of sun exposure can damage skin cells and affect healing, with chronic exposure being more harmful, and certain immune cells help in the repair process.
5 citations
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November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
114 citations
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April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.
29 citations
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July 2013 in “Journal of Investigative Dermatology” UV radiation causes skin cancer, but sunscreens and certain drugs can help prevent it.
March 2007 in “International Journal of Cosmetic Science” Hair with more melanin resists weather damage better.
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.
September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
Different types of skin cells and immune cells play a role in healing UV-damaged skin, with chronic UV exposure causing lasting damage to certain skin cells.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
14 citations
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January 2014 in “Cells Tissues Organs” Ionizing radiation causes irreversible skin damage, with single doses leading to acute injury and hair graying, and fractional doses causing more severe long-term tissue damage.
22 citations
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September 1986 in “Journal of Investigative Dermatology” Low-dose topical alpha-terthienyl may be a safer option for treating skin conditions with light therapy.
Different types of sun exposure damage skin cells and immune cells, with chronic exposure leading to more severe and lasting damage.
27 citations
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July 2020 in “Stem Cells International” ADSC therapy is more effective and safer for treating photoaged skin than PRP.
1 citations
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April 2024 in “PubMed” Photobiomodulation is effective and safe for healing injuries and improving appearance.
4 citations
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January 2023 in “Experimental dermatology” Skin thickness decreases and structural changes occur with both ageing and sun exposure in certain skin types.
2 citations
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December 2013 in “Journal of Cosmetic Dermatology” UV treatment can damage hair, so protection is advised.
11 citations
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April 1991 in “Journal of Veterinary Diagnostic Investigation” Shorthorn calves in Missouri experienced photosensitization, causing skin issues and liver damage, but they eventually recovered.
December 2020 in “Nippon Laser Igakkaishi” Photobiomodulation therapy is beneficial in plastic surgery and dermatology.
2 citations
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May 2023 in “Photobiomodulation, photomedicine, and laser surgery” Light therapy is effective and safe for treating skin color disorders like vitiligo and dark spots.
January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
July 2025 in “Journal of Investigative Dermatology” Monocyte-derived dendritic cells play a key role in UVB-induced skin sensitivity and inflammation.
May 2026 in “Journal of Photochemistry and Photobiology” Solar radiation and pollution damage hair, especially light-colored and bleached hair.
1 citations
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February 2025 in “Photodermatology Photoimmunology & Photomedicine” 830 nm LED light effectively treats and prevents skin redness and dark spots, while 590 nm LED light only helps prevent them.
December 2025 in “Biomedicine & Pharmacotherapy” Melamax® protects skin from UV damage and reduces inflammation and oxidative stress.
14 citations
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September 2016 in “Journal of Photochemistry and Photobiology B Biology” UV exposure damages hair, increasing thiols and altering protein structure.