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GlossaryRetinoic Acid Signaling (retinoic acid pathway)

regulates gene expression through vitamin A derivatives

Retinoic Acid Signaling, also known as RA signaling, is a biological pathway where retinoic acid, a derivative of vitamin A, binds to specific receptors in cells to regulate gene expression. This pathway is crucial for various physiological processes, including cell growth, differentiation, and embryonic development. In the context of hair biology, RA signaling can influence hair follicle development and cycling, potentially impacting conditions like alopecia.

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community Diffuse hair loss and scalp biopsies

in Research 692 upvotes 4 months ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

community Looks like a real cure to the root of baldness (DHT-induced senescence) was proven earlier this year

in Research/Science 743 upvotes 2 years ago

A study that outlines the full model for androgenic alopecia (AGA) which links DHT to cellular senescence in dermal papilla cells, and suggests black chokeberry as a source of cyanidin 3-O-arabinoside polyphenol with potential anti-oxidant properties that could reverse this process. The post encourages reaching out to experts in anti-aging and longevity to research treatments involving the polyphenol.

community Dutasteride Literally Saves Your Hair

in Finasteride/Dutasteride 96 upvotes 6 months ago

Dutasteride significantly reduces scalp DHT levels and can save hair, though shedding is part of the process. Some users report success with dutasteride, while others struggle despite using it along with finasteride and oral minoxidil.

community Androgenetic alopecia is a skin disease: DHT-mediated skin disorders

in Research/Science 65 upvotes 1 year ago

Dihydrotestosterone (DHT) impacts various skin conditions, including Androgenetic alopecia and seborrheic dermatitis, by causing overactivity in sebaceous glands. Topical medications Tacrolimus and Clobetasol can reduce these inflammatory conditions, and treatments like RU58841, Minoxidil, and Finasteride may also be beneficial.

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 UPDATE: The theory that explains everything. Please help me make this big!

in Research/Science 449 upvotes 3 years ago

Hair loss theory involves 3alpha-hydroxysteroid reductase (3AHD) converting DHT to androstenol. Discussion explores potential treatments and encourages more research.

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

in Progress Pictures 311 upvotes 9 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 3 months progression not sure if I should pursue tretinoin

in Treatment 11 upvotes 3 weeks ago

The user has been using finasteride, minoxidil, and a derma stamp for hair loss for nearly three months and is considering adding tretinoin. They are advised to be patient, as results typically take 6-12 months, and are exploring other options like oral minoxidil and dutasteride.

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 Why does it seem everyone favors finasteride over dutasteride?

in Female 62 upvotes 7 months ago

The conversation discusses preferences for hair loss treatments, specifically finasteride over dutasteride. Users share personal experiences, cost considerations, FDA approval status, and potential side effects, with some switching between treatments to find what works best for them.

community Which retinoid for better min absorption?

in Product 4 upvotes 3 months ago

User is on vacation in Greece and wants to buy tretinoin or isotretinoin to improve Minoxidil absorption. They are considering isotretinoin since it is available over-the-counter in Greece but requires a prescription back home.

community 2 months of topical fin/min/retinoid + microneedling + red light

in Is this regrowth? 19 upvotes 8 months ago

The conversation discusses hair regrowth using 0.1% finasteride, 5% minoxidil, 1% retinoid, weekly microneedling, and red light therapy, with noticeable improvement in a short time. One person is curious about the retinoid application process when used with minoxidil.

community Recommend stemoxydine as an adjunct therapy

in Treatment 6 upvotes 11 months ago

The user has been using finasteride, minoxidil, retinoid, and occasional microneedling for hair loss with good results. They recently added stemoxydine, which improved their hair further, and suggest trying it, especially in the EU where it's easily available.

community Minoxidil, microneedling and buying tretinoin from Germany

in Minoxidil 1 upvotes 2 months ago

The conversation discusses using minoxidil with microneedling and considering tretinoin to enhance hair growth, especially for those who are weak responders to minoxidil. It also explores the potential of using tazarotene, a stronger retinoid, to boost minoxidil's effectiveness and addresses purchasing tretinoin from Germany.

community 6 month progress on the big 3 - is this regrowth? Stabilized? 2.5 mg oral min, 1mg fin, keto, monthly dermarolling

in Is this regrowth? 11 upvotes 1 year ago

The user reports using 2.5 mg oral minoxidil, 1mg finasteride, ketoconazole, and monthly dermarolling for hair loss over six months, and is asking if there's hair regrowth or stabilization. Another person suggests increasing dermarolling frequency, possibly using more dutasteride, topical minoxidil, or a retinoid cream to improve minoxidil absorption.

community Correlation between topical retinoids and diffuse hair loss

in Research/Science 7 upvotes 2 years ago

Excess Vitamin A and topical retinoids can cause diffuse hair shedding. The user suspects their chronic telogen effluvium may be linked to using adapalene, a topical retinoid.

community 4 months on Finasteride and minoxidil

in Progress Pictures 409 upvotes 1 year ago

The conclusion of the conversation is that the user, who had been experiencing hair loss, started using 1mg of finasteride and 6% minoxidil twice a day. After 4 months, they are pleased with the progress and have noticed thicker hair on top. They also mentioned using a retinoid cream and SPF for anti-aging purposes. No side effects were reported, and the user's sex drive increased after the first month.

community Hairline Progress 24M - 4 month report. 5% min 1x/day, 1mg Fin every other day, 0.5mm microneedle 1x/week. Biotin and multivitamins too. Pretty stoked with the results!

in Progress Pictures 88 upvotes 2 years ago

A 24-year-old man shared his 4-month hair regrowth progress using 5% Minoxidil once daily, 1mg Finasteride every other day, weekly 0.5mm microneedling, Biotin, and multivitamins. Commenters suggest adding Tretinoin could enhance results, while others express happiness for his improvement.

community Where do you get tretinoin? without prescription? in Europe?

in Treatment 1 upvotes 1 month ago

The conversation discusses obtaining tretinoin without a prescription in Europe and its use to enhance minoxidil absorption for hair loss treatment. Users share sources, experiences, and application methods for tretinoin, with some noting side effects like increased shedding.

community 22M After 3 years of minox and almost 2 on fin, I've got a NW1 and my ideal hair... but my face is fucked/aged from minoxidil and I want to stop it

in Minoxidil 9 upvotes 4 months ago

A user reported significant facial aging after using minoxidil for hair loss, despite a good skincare routine and healthy lifestyle. They plan to switch to dutasteride and possibly stop minoxidil.

community Spironolactone topically with a try ?!

in Research/Science 1 upvotes 10 months ago

A 30-year-old male is considering using dutasteride and fluridil for hair loss maintenance and is curious about the effectiveness of topical spironolactone, as he cannot take finasteride. He is also planning a hair transplant.

community Stop overthinking the Minoxidil drying process: A blow dryer is your friend.

in Minoxidil 27 upvotes 1 year ago

User suggests using a blow dryer after applying Minoxidil for hair loss treatment, and shares personal success with temple regrowth using Minoxidil and Finasteride. Another user shares their method of applying Minoxidil with long hair and agrees with blow-drying.

community Progress pics march 2022 vs june 2023, 7 months dutasteride after only maintaining on fin for 6 months.

in Progress Pictures 37 upvotes 1 year ago

User maintained hair with finasteride for 6 months, then switched to dutasteride for 7 months, using DHT blocking shampoo, keto 2% shampoo, and microneedling. Significant hair growth observed, especially on right temple.

community Hair shed after adding tretinoin with topical minoxydil

in Minoxidil 3 upvotes 3 weeks ago

Adding tretinoin to a minoxidil routine can cause initial hair shedding, which may be normal as it potentially increases minoxidil's efficacy. Users suggest being cautious with tretinoin application, especially around microneedling, to avoid increased systemic absorption.

community Tretinoin every other day? (with daily minoxidil)

in Minoxidil 3 upvotes 2 months ago

Using Tretinoin every other day with daily Minoxidil may help with hair regrowth, and some users find it more effective than daily use. There are concerns about irritation and absorption, but small amounts seem to minimize harm.

community I’m really tired of using minoxidil

in Minoxidil 42 upvotes 1 year ago

The user is frustrated with minoxidil's lack of results and is considering alternatives like oral minoxidil or finasteride despite concerns about side effects. Other suggestions include consulting a doctor, adjusting dosages, or considering a hair transplant.

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.

community 2.5 Months Progress (Topical Fin+Min+Microneedling+Keto)

in Progress Pictures 34 upvotes 1 year ago

The user "dsx460" shared their progress pictures of hair regrowth using a combination of topical finasteride, minoxidil, microneedling, and a keto diet. They are happy with the progress and hope for further improvement.

community Comparison of styled hair, similar haircut 9 months apart. (Oral Fin/Topical Min/Microneedling)

in Progress Pictures 1075 upvotes 1 year ago

The user "Bishiop" shared a comparison of their hair progress over 9 months using oral finasteride, topical minoxidil, and microneedling. Other users commented on the results and shared their experiences with hair loss treatments.

community Depressed that topical dut+min is causing unwanted hair everywhere on my face. Is there anything can I do?

in Minoxidil 21 upvotes 1 year ago

The conversation is about a user experiencing excessive hair growth on their body due to using topical minoxidil and dutasteride. The suggested solutions are shaving off the excess hair or considering laser epilation. It is mentioned that dutasteride does not cause extra hair growth, while minoxidil can stimulate hair growth in unintended areas. The user is advised to lower the dosage, concentration, or frequency of use and only apply the treatment to the desired areas.