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    Did you mean UV-B Exposure?
    GlossaryUltraviolet B (UV-B Exposure)

    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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      community Sunlight: Does it Stimulate Hair Growth or Hair Loss?

      in Research/Science  64 upvotes 9 months ago
      The conversation discusses whether sunlight exposure affects hair growth or loss, with mixed anecdotes and theories but no clear consensus. Some suggest moderate sunlight can benefit hair by providing vitamin D, while others doubt its effectiveness compared to treatments like Minoxidil or finasteride.
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      community What are these spots on my scalp

      in Treatment  51 upvotes 6 months ago
      A user noticed non-itchy, non-bleeding spots on their scalp while experiencing hair loss. Replies suggest the spots are likely sunspots or liver spots and recommend seeing a dermatologist; hair loss is attributed to male pattern baldness.

      community Does pyri/kx826 degrade in exposure to bathroom light?

      in Treatment  5 upvotes 5 months ago
      The conversation discusses concerns about RU58841 degrading when exposed to light and transferring pyri to a dark glass bottle to prevent this. The user keeps the pyri out for only two minutes before storing it in a dark place.

      community Take A Vitamin D Blood Test!!!

      in Treatment  48 upvotes 2 years ago
      Low Vitamin D can cause hair shedding, and taking 5000 IU of Vitamin D daily reduced shedding significantly. Vitamin D deficiency is common and correcting it can benefit overall health.

      community Almost 3 months on topical min/fin

      in Progress Pictures  117 upvotes 5 months ago
      A user shared their 3-month progress using topical minoxidil and finasteride for hair loss, expressing hope for continued improvement. Others advised patience, suggesting adding micro-needling and waiting at least a year for significant results.

      community Being Bald vs Balding - My experience after shaving it off

      in Update  217 upvotes 3 weeks ago
      A man in his thirties found increased confidence after shaving his head, despite years of hair loss. Others discussed using treatments like finasteride, minoxidil, and hair transplants, with mixed opinions on their effectiveness.

      community Comprehensive Microneedling Guide

      in Microneedling  291 upvotes 2 years ago
      Microneedling for hair restoration involves daily use of a 0.3 mm device and weekly use of a 0.5 mm device. Combining microneedling with Minoxidil can enhance hair growth.

      community Minoxidil seems logistically impossible and impractical to use

      in Minoxidil  136 upvotes 1 year ago
      The post discusses concerns about the practicality of using Minoxidil foam for hair loss, including the frequency of application, preparation, coverage area, and drying time. Responses suggest that missing a dose isn't detrimental, it can be applied once a day, it works on all hair areas, and it doesn't need to be perfectly dry before application.
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      community Actually making progress, I think.

      in Is this regrowth?  66 upvotes 7 months ago
      User reports seeing fast hair regrowth after 1 month and 12 days using 0.3% Finasteride and 6% Minoxidil. They are considering microneedling and received advice to use a derma stamp.

      community Why is human evolution like this ๐Ÿ˜‚

      in Chat 2 years ago
      Why androgenic alopecia affects the scalp rather than other body parts, potential explanations for this phenomenon, treatments available to combat hair loss, and the implications of male attractiveness in modern society.

      community 11 months Fin and 4 months microneedling

      in Progress Pictures  73 upvotes 1 year ago
      The user reported positive hair regrowth after 11 months on finasteride and 4 months of microneedling. Opinions in the conversation vary, with some endorsing microneedling as effective and others emphasizing finasteride as essential, while acknowledging that treatments may not work for everyone.

      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 Anyone in Pyrilutamide currently?

      in Treatment  13 upvotes 1 year ago
      User considers trying Pyrilutamide for hair loss and itch relief. Another user shares positive experience with Pyrilutamide, no side effects.

      community Shampoo except ketoconazole that works

      in Product  8 upvotes 8 months ago
      The conversation is about seeking shampoos that help with hair loss or hair thickening without ketoconazole, suggesting alternatives like minoxidil, finasteride, or stemoxydine. One reply suggests that most hair loss shampoos don't work as claimed.

      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 10 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.