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GlossarySun Damage (Ultraviolet damage)

harm caused by UV radiation leading to skin and hair issues

Sun damage, also known as photodamage or UV damage, refers to the harm caused to the skin and hair by prolonged exposure to ultraviolet (UV) radiation from the sun. This can lead to a range of issues, including sunburn, premature aging (such as wrinkles and age spots), and an increased risk of skin cancer. UV radiation can also weaken hair structure, leading to dryness, brittleness, and color fading.

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research Diagnosis and Management of Melanoma of the Scalp: A Review of the Literature

3 citations , October 2021 in “Clinical, Cosmetic and Investigational Dermatology”

Scalp melanoma, a deadly skin cancer, is often found late due to its hard-to-see location, especially in older men. Early detection, possible treatments, and the role of hairdressers in spotting it early are discussed. More research is needed to improve detection and treatment.

research Effect of Ultraviolet Radiation, Smoking, and Nutrition on Hair

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.

research Oxidative Stress in Aging of Hair

126 citations , January 2009 in “International Journal of Trichology”

Oxidative stress contributes to hair graying and loss as we age.

research Targeted Overexpression of the Angiogenesis Inhibitor Thrombospondin-1 in the Epidermis of Transgenic Mice Prevents Ultraviolet-B-Induced Angiogenesis and Cutaneous Photo-Damage

93 citations , May 2002 in “Journal of Investigative Dermatology”

Overexpressing thrombospondin-1 in mice skin prevents UVB-induced skin damage.

research The Ethnic Differences in Hair Damage and Integral Hair Lipid After Ultraviolet Radiation

59 citations , January 2013 in “Annals of Dermatology”

Asian hair is more resistant to UV damage due to higher lipid content.

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community Tretinoin can make it worse!!!

in Chat 7 upvotes 2 years ago

Tretinoin may enhance minoxidil's effectiveness for those not responding to minoxidil alone, but it could reduce efficacy for some who are already responding to minoxidil. Tretinoin requires careful use, including skin moisturizing and sun protection due to increased sensitivity.

community Evolution theory: AGA is your body trying to reduce the risk of prostate cancer by exposing your scalp to more UV

in Research/Science 3 months ago

Androgenic alopecia (AGA) might have evolved to reduce prostate cancer risk by increasing UV exposure to the scalp, but this theory is debated. Treatments like minoxidil and finasteride are used for AGA, though the exact causes and evolutionary reasons for hair loss are unclear.

community What About Phytosterol Alternatives - Rice Bran Oil - Natural DHT Blockers

in Research/Science 4 upvotes 1 year ago

The conversation discusses natural DHT blockers like rice bran oil, which may reduce 5α-reductase activity similarly to Minoxidil and Dutasteride. One user argues that finasteride is more reliable and effective than natural alternatives.