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GlossaryUltraviolet B (UVB light)

type of ultraviolet radiation that causes sunburn and vitamin D production

Ultraviolet B (UVB) is a type of ultraviolet radiation with wavelengths between 280 and 315 nanometers. It is responsible for producing vitamin D in the skin but can also cause sunburn and contribute to skin cancer. In medical treatments, UVB light therapy is used to manage conditions like psoriasis and vitiligo by reducing inflammation and slowing down the overproduction of skin cells.

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Comparison Treatment of Vitiligo by Co-Culture of Melanocytes Derived from Hair Follicle with Adipose-Derived Stem Cells with and without Narrowband UVB

research Comparison Treatment of Vitiligo by Co-Culture of Melanocytes Derived from Hair Follicle with Adipose-Derived Stem Cells with and without Narrowband UVB

January 2020

Treating vitiligo with stem cells and melanocytes from hair, along with UVB light, works better than without the light.

research Novel Mechanism of UVB-Mediated Pigmentation Through the Axis of ATP-P2X7

April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology”

Scientists discovered a new way UVB light increases skin pigmentation through the ATP-P2X7 pathway.

P21Waf1/Cip1 Is Differentially Expressed in Epidermal Versus Follicular Melanocytes and Melanoma Cells and Is Phenotypically Regulated by UVB-Mediated Apoptosis

research P21Waf1/Cip1 Is Differentially Expressed in Epidermal Versus Follicular Melanocytes and Melanoma Cells and Is Phenotypically Regulated by UVB-Mediated Apoptosis

April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology”

The protein p21 is more abundant in normal skin cells than in melanoma cells and may help protect against melanoma, with UVB light affecting its levels.

research The Epidermal Vitamin D System and Innate Immunity: Some More Light Shed on This Unique Photoendocrine System?

14 citations, January 2008 in “Dermatology”

Vitamin D made by the skin plays a role in immune defense and skin health, and more research is needed to understand its full effects.

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.

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community Still not sure why men think diet has nothing to do with hair loss when scientific is quite the opposite [Link]

25 upvotes 6 years ago

Diet can influence hair health, but male pattern baldness (MPB) is primarily genetic. Treatments discussed include Minoxidil, finasteride, and RU58841.

community 5 month update on my all natural protocol

in Update 7 upvotes 6 years ago

The user updated on their all-natural hair loss protocol, which includes massages, LLLT, Ashwagandha, Supergreens mix, Vitamin D, Castor Oil + DMSO, a specific diet, and headstands. They reported some hair regrowth and improved hair quality, with plans to continue the regimen and monitor results.

community Sucess story for you guys, pics are 10+ years apart.

in Progress Pictures 311 upvotes 8 months ago

A user shared a success story showing hair regrowth over 10 years, attributing it to quitting creatine and taking 0.5mg finasteride. Some commenters were skeptical about creatine's impact, while others inquired about side effects, and the original poster reported no negative effects from finasteride.

community Rare Non responder to Finasteride, Dutasteride, and oral minoxidil

in Minoxidil 78 upvotes 8 months ago

A user did not respond to finasteride, dutasteride, and oral minoxidil for hair loss after four years of treatment and is considering scalp micropigmentation (SMP). Other users suggest the hair loss pattern may indicate alopecia areata and recommend seeing a dermatologist.

community The Real Cause Of Androgenetic Alopecia

in Research/Science 668 upvotes 1 month ago

Androgenetic alopecia is caused by DHT affecting hair growth. Finasteride and minoxidil are used to manage hair loss by blocking DHT and promoting hair growth.

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