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GlossaryTotal Internal Reflection

light reflects entirely within a medium at a critical angle

Total Internal Reflection (TIR) occurs when a light wave traveling through a medium with a higher refractive index (like water or glass) hits the boundary of a medium with a lower refractive index (like air) at an angle greater than the critical angle, causing the light to be completely reflected back into the original medium rather than refracting through the boundary. This phenomenon is crucial in fiber optics, where it allows light to be efficiently transmitted over long distances with minimal loss.

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community Balding, short, small penis. What is the point of living…

in Treatment 405 upvotes 3 years ago

A 24 year old male struggling with the physical and mental effects of balding, being short, and having a micropenis. Suggested treatments include taking medications such as finasteride and minoxidil, lifting weights, and trying not to compare himself to others.

community Embraced baldness. Time to leave this subreddit

in Chat 866 upvotes 1 month ago

A user shared their positive experience of embracing baldness after years of trying treatments like Minoxidil and finasteride. They found happiness and confidence by shaving their head, despite some social challenges, and encouraged others to focus on their attitude and seek therapy if needed.

community How the average guy dont care about balding?

in Research/Science 128 upvotes 2 years ago

Many people experience hair loss but don't treat it. Common treatments include Minoxidil, Finasteride, and microneedling.

community Front page article at The New York Times (biggest circulation in the world) regarding notable results with oral minoxidil is a pretty big deal

in Minoxidil 2 years ago

This conversation discusses the potential benefits of using oral minoxidil and finasteride to treat hair loss, with some users sharing their own experiences in taking the medications. Others express concerns about the safety of these treatments.

community Got my first hair system put on yesterday. I feel like a brand new man. Haven’t been confident in so many years.

in Hair Systems 385 upvotes 2 years ago

User got first hair system and feels confident. Cost $200, attached at hairclub for $150, considering $400 monthly membership for weekly visits and new system monthly.

community Well here I am 3-4 years later.

in Update 56 upvotes 7 months ago

The conversation is about someone who has been taking finasteride for hair loss without success, considering switching to dutasteride or giving up treatment. Suggestions include trying dutasteride, microneedling, infrared therapy, multivitamins, and high-concentration topical solutions combining finasteride and dutasteride.

community Why I deleted my YouTube channel Part I

in Update 118 upvotes 3 years ago

A YouTuber named Kevin, also known as Rider_Of_Roach, who deleted his YouTube channel due to personal attacks and controversy surrounding his views on hair loss treatments. He advocated for FDA-approved treatments like finasteride and minoxidil but faced backlash from those who disagreed with him. The conversation also discusses his past trolling behavior and a lawsuit he filed against a website that published false information about him. Despite some disagreements, many viewers appreciated his research-based content and hope to see him return in the future.

community Why isn't fluridil more widely used and known about?

in Treatment 9 upvotes 3 years ago

Fluridil, an antiandrogen that is not widely used or known about due to its expense and lack of availability in the US. It is suggested as a potential alternative for people who don't want to lower their DHT through treatments such as Minoxidil, Finasteride, Nizoral shampoo, and Dermarolling.

community I am actually regrowing my hairline without minoxidil or finasteride (mechanical stimulation)

128 upvotes 6 years ago

Regrowing hairline without the use of Minoxidil or Finasteride, and instead using mechanical stimulation such as Derma Roller, Nizoral, Zinc Pyrithione, Scalp Massage, Scalp Exercise, Fish Oil and other topical solutions. It is cautioned that there are risks associated with not using medically-prescribed treatments, but it is suggested to consider mechanical stimulation in addition to those prescribed treatments.

community Fin isn’t working anymore after 3 years, afraid to switch to dut?

in Finasteride/Dutasteride 27 upvotes 2 months ago

Finasteride stopped working for a user after 3 years, and they are considering switching to dutasteride. Other users suggest trying dutasteride, with some sharing positive experiences and additional treatments like minoxidil and RU58841.

community I bought a microscope, how does my scalp/hairs look? I've been suffering diffuse thinning and hair loss after covid and never recovered (2 yrs ago) I eat healthy, in shape and workout.

in Progress Pictures 84 upvotes 6 months ago

A person with hair loss since COVID-19 is considering treatments like finasteride and minoxidil but is hesitant due to potential side effects. Suggestions include visiting a dermatologist, using a ketoconazole shampoo, and considering that post-COVID hair loss might be an autoimmune response.

community Is this true? Is long term taking fin harmful to the liver?

in Chat 124 upvotes 8 months ago

The conversation discusses whether long-term use of finasteride (Fin) is harmful to the liver, with various opinions on side effects and comparisons to other substances. Specific treatments mentioned include finasteride, minoxidil (Min), and RU58841 (RU).

community A Nuanced Look at Microdosing Topical Finasteride

in Finasteride/Dutasteride 85 upvotes 9 months ago

The conversation discusses using a low dose of topical finasteride to achieve hair benefits with minimal systemic exposure. Users share experiences and opinions on dosing, systemic buildup, and side effects of both topical and oral finasteride.

community Can someone explain why it's "dumb" to just drink topical liquid minoxidil?

in Minoxidil 27 upvotes 1 year ago

The conversation discusses the risks and methods of ingesting liquid minoxidil for hair loss. Concerns include dosing accuracy, safety of ingredients, and potential side effects compared to using oral minoxidil tablets.

community "Minoxidil and Caffeine: Reason behind hyper responders and non-responders."

in Research/Science 31 upvotes 1 year ago

Minoxidil and caffeine may interact, affecting hair growth results. Users shared mixed experiences, with some noticing improvements without caffeine and others still seeing results despite coffee consumption.

community U.S Court let Merck hide secrets about Finasteride.

in Finasteride/Dutasteride 303 upvotes 1 year ago

Hair loss discussion involving finasteride's side effects and effectiveness. Users shared mixed experiences, with some reporting side effects and others seeing positive results.

community Why is Kevin Mann (Haircafe) Hated?

in Chat 62 upvotes 1 year ago

Hair loss treatments, including microneedling, minoxidil, finasteride and RU58841; the efficacy of these treatments; criticisms of Kevin Mann's content related to his selective data presentation and biases towards certain treatments; and other topics such as DHT being labeled a "trash hormone" and critiques of other hairloss YouTubers.

community Any experience on Natural DHT blocker?

in Research/Science 7 upvotes 3 years ago

The conversation is about using natural DHT blockers like saw palmetto, pumpkin seed oil, and stinging nettle extract for hair loss. Saw palmetto is noted to potentially halt mild hair loss.

community 📈 Solving for very low dose topical finasteride titration intervals

in Research/Science 30 upvotes 1 month ago

The conversation discusses using very low dose topical finasteride to achieve specific serum DHT reduction percentages. It concludes that finasteride dosage increases linearly between 5-30% DHT reduction but requires exponential increases for reductions up to 70%.

community How significant is the difference between 0.5mg Dut and 1mg Fin?

in Finasteride/Dutasteride 11 upvotes 3 months ago

0.5mg dutasteride reduces scalp DHT more than 1mg finasteride, leading to better hair regrowth results. Users report significant improvement with dutasteride compared to finasteride.

community Oral minoxidil is not good for your health, let’s use research chemicals bought from AliExpress

in Satire 551 upvotes 1 year ago

. This conversation discussed the efficacy of Minoxidil and Finasteride as treatments for hair loss, with a focus on the potential side effects of taking Oral Minoxidil. Some users shared their experiences with both treatments and there was debate over whether they were safe or not.

community Dutasteride Mesotherapy Works – Just 1 month results

in Progress Pictures 110 upvotes 2 years ago

The effectiveness of using dutasteride mesotherapy as a hair loss treatment, with other protocols such as microneedling, vitamin D and B12, zinc, and biotin. The user's results were positive after 4-6 months without any serious side effects.

community Frequency/strength of topical minoxidil application

in Research/Science 13 upvotes 11 months ago

The conversation discusses the effectiveness of Minoxidil (Min) for hair loss treatment. It concludes that applying a 5% solution once daily is sufficient, and applying it twice daily doesn't provide much more benefit. However, if a higher concentration is beneficial, it can be achieved by more frequent application.

community Whats up with all the dutasteride destroying hair posts

in Finasteride/Dutasteride 64 upvotes 1 year ago

User Basic_Football999 discusses concerns about negative dutasteride experiences. Replies suggest dutasteride is effective, but some users may have issues with dosing frequency or genetic factors affecting results.

community to all people who cannot tolerate anti androgens (loe dose topical fin, pyrilutamide, CB) i am getting desperate, looking for a solution

in Research/Science 13 upvotes 1 year ago

The user tried Minoxidil without success, and Finasteride worked but caused sexual side effects even at a very low dose. They are seeking alternative treatments for hair loss as they cannot tolerate anti-androgens and are also in therapy for mental health.

community I am a dermatologist with a clinical interest in alopecia. AMA

in Will treatment work for me? 2 years ago

In this conversation, 4990 discussed various treatments for hair loss, including oral minoxidil, PRP, transplan, Jak inhibitors, Dutasteride, Finasteride, Olumiant, Ketoconazole, RU58841, microneedling, baricitinib, and CCCA. They recommended scalp biopsies in unclear cases of DUPA, twice weekly to twice daily shampooing for topical minoxidil users, and two sessions spaced one month apart with follow up at month three to determine the effectiveness of PRP treatment.

community 1 month of using fin, so happy

in Progress Pictures 865 upvotes 1 month ago

User had a hair transplant and used a finasteride and minoxidil spray for 6 months with no results. After adding finasteride tablets for 1 month, they saw significant hair growth improvement.

community Quit vaping/smoking = 80% less loss

in Research/Science 235 upvotes 5 months ago

Quitting vaping significantly reduced hair loss for a user who was a heavy vaper and also taking finasteride. Some participants suggest nicotine's vasoconstrictive properties may worsen hair loss, while others share personal anecdotes of hair improvement after quitting smoking or vaping.

community Recent Study finds Laser caps are more effective than 5% minoxidil for AGA

in Research/Science 124 upvotes 6 months ago

Laser caps are found to be more effective than 5% minoxidil for treating hair loss, and when combined with minoxidil, they are even more effective. Some users report positive results with laser treatments, while others see no change; the devices are FDA approved, but opinions on their efficacy vary.

community It’s getting worse. (4 months)

in Update 203 upvotes 9 months ago

The conversation discusses hair loss treatments, with users suggesting the use of finasteride daily, considering minoxidil for aggressive hair loss, and discussing the normalcy of shedding during treatment. Some users recommend adding Nizoral shampoo and switching to dutasteride for better results.