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GlossaryUltraviolet Radiation (Ultraviolet Light)

invisible electromagnetic radiation with shorter wavelengths than visible light

Ultraviolet Radiation (UVR) is a type of electromagnetic radiation that comes from the sun and artificial sources like tanning beds. It has shorter wavelengths than visible light, making it invisible to the human eye, but it can cause skin damage, sunburn, and increase the risk of skin cancer. UVR is also used in medical and industrial applications, such as sterilizing equipment and treating certain skin conditions.

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research Weathering of the Hairless Scalp: A Study Using Skin Capacitance Imaging and Ultraviolet Light-Enhanced Visualization

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.

research Ultraviolet Light-Enhanced Visualization of Cutaneous Signs of Carotene and Vitamin A Dietary Deficiency

17 citations, April 2004 in “Acta Clinica Belgica”

UV light makes skin signs of lack of carotene and vitamin A more visible.

Ultraviolet Light-Induced Leukoderma of the Scalp Associated with Androgenetic Alopecia: Senescent Actinic Depigmentation of the Scalp

research Ultraviolet Light-Induced Leukoderma of the Scalp Associated with Androgenetic Alopecia: Senescent Actinic Depigmentation of the Scalp

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.

research Effect of Ultraviolet Light on Topical Minoxidil-Induced Hair Growth in Advanced Male Pattern Baldness

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.

research A Study of the Photolightening Mechanism of Blond Hair with Visible and Ultraviolet Light

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.

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community Tretinoin can make it worse!!!

in Chat 7 upvotes 1 year 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 What About Phytosterol Alternatives - Rice Bran Oil - Natural DHT Blockers

in Research/Science 4 upvotes 6 months 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.