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GlossaryToxicity

degree to which a substance can harm living organisms

Toxicity refers to the degree to which a substance can harm living organisms. It encompasses the adverse effects a chemical or physical agent can have on the body, including symptoms like nausea, organ damage, or even death, depending on the exposure level and duration. For professionals, understanding toxicity is crucial for assessing risk and ensuring safety in environments ranging from pharmaceuticals to environmental health.

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community Finally Scalp Folliculitis-Free after 2 Decades of Suffering

in Treatment 59 upvotes 2 weeks ago

A 37-year-old male resolved scalp folliculitis by adopting a low-histamine diet and taking Vitamin A, Zinc, and Fish Oil, leading to better skin health and thicker hair. He warns about the potential toxicity of excessive Vitamin A intake.

community One year progress pics, fin only

in Progress Pictures 421 upvotes 9 months ago

The user showed a one-year hair regrowth progress using finasteride only, after stopping minoxidil due to its toxicity to cats. They noticed hair growth around six or seven months into treatment.

community I just got back from the animal hospital and lost my cat

in Minoxidil 475 upvotes 10 months ago

A user shared a tragic experience where their cat died after being exposed to Minoxidil, warning others of its toxicity to pets. Some users discussed switching to oral hair loss treatments, while others expressed condolences and shared their own concerns and experiences with topical treatments around pets.

community Improve your micronnedling progress/results using betadine

in Microneedling 74 upvotes 3 years ago

A user shared their hair regrowth success using microneedling with a dermaroller every 6 days and minoxidil, recommending betadine (povidone-iodine) before microneedling to sterilize the scalp and enhance results. Another user noted the potential risks of iodine toxicity.

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 Longterm ru58841 users + my experience

in Treatment 7 upvotes 2 months ago

RU58841 users report mixed results, with some experiencing no benefits and others noting regrowth but potential side effects. Many prefer finasteride and minoxidil due to better-studied safety profiles.

community What do you think about this topical formula?

in Finasteride/Dutasteride 3 upvotes 6 months ago

The conversation discusses a topical formula for hair loss including Finasteride (0.025%), Minoxidil (0.5%), Tretinoin (0.01%), Caffeine (0.005%), Melatonin (0.003%), Tea Tree Oil (0.05%), Aloe (0.05%), Biotin (0.05%), and Fagron TrichoXidil (2.5%). The user considers removing Minoxidil and Tretinoin to test TrichoXidil's effectiveness.

community Expectations control for SCUBE3

in Research/Science 22 upvotes 8 months ago

SCUBE3, a protein linked to hair growth in moles, was discovered over 25 years ago and is being developed by Amplifica for potential hair loss treatment. Concerns exist about SCUBE3's association with cancer, as it is a protein that promotes cell growth, which could potentially trigger cancer development if used for hair growth therapy.

community Is Vitamin B6 + Pyridoxine the same as P5P? Want to use it to reduce my Prolactin.

in Treatment 2 upvotes 11 months ago

The user is considering using P5P to reduce high prolactin levels and is questioning if oral minoxidil could be contributing to the issue. They are also debating whether to switch from oral to topical minoxidil.

community Minoxidil killed my cat - It was just a few licks - Please be super careful with your pets

in Minoxidil 427 upvotes 1 year ago

In this conversation, people discussed how Minoxidil and Finasteride can be toxic to cats if ingested. It was highlighted that even when being careful with application, there is still a risk of poisoning due to the potential for contact between fur/hair and the substances.

community so pissed off at the world. hairloss is a nightmare in your early 20's (WARNING, RANT)

in Treatment 153 upvotes 3 years ago

User frustrated with lack of results from finasteride and minoxidil for hair loss. Others suggest checking for other health issues, focusing on fitness, and considering alternative treatments.

community People with ALOT of shedding on Finastride : My 1.5 year thoughts and UPDATE

in Update 37 upvotes 3 years ago

The user experienced continuous hair shedding for 16 months while on finasteride, with periods of improvement. They also used T Gel shampoo and noticed a reduction in hair loss symptoms after 18 months, including the return of their sex drive and normal hair texture.

community As in this research, i have seen many who advise a regular use of VitaminD, even if you are not deficient. Once i had read in tressless that mpb and Vitamin D might have a correlation. So could it be an a benefit to add this to your ongoing treatment plan?

in Research/Science 83 upvotes 4 years ago

People discussed using vitamin D supplements for hair loss, with some also using steroid injections, pumpkin seed oil, saw palmetto, and zinc. Despite supplementation, one user noted no improvement in hair condition, but acknowledged the general health benefits of addressing vitamin D deficiency.

community Since Dutasteride is dose dependent, is there any real difference in taking 0.5mg daily vs every other day?

in Finasteride/Dutasteride 16 upvotes 4 weeks ago

Taking dutasteride daily at higher doses results in more effective DHT suppression compared to every other day dosing, due to its dose-dependent nature and long half-life. Even at lower doses, dutasteride is more effective than finasteride for hair loss.

community The ultimate Regimen for density and thick ess

in Treatment 10 upvotes 1 month ago

The regimen for hair loss includes topical finasteride, clascoterone, tretinoin, minoxidil, oral saw palmetto, beta-sitosterol, vitamin D, microneedling, and anti-fungal shampoo. Expected benefits are increased hair growth and density, with considerations for potential skin irritation and interactions between treatments.

community 1 month of using fin, so happy

in Progress Pictures 861 upvotes 3 months 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 Taurine supplements work for hair growth?

in Product 8 upvotes 7 months ago

The conversation discusses taurine supplements for hair growth, highlighting their potential to reduce DHT and improve hair health. A user comments that people often try alternatives to finasteride.

community + 5 years Finasteride and dermarroll journey PICS and ACTUAL DILEMMA

in Progress Pictures 54 upvotes 7 months ago

The user experienced improved hair density and thickness after using finasteride and dermarolling for 2.5 years but noticed hair loss when doing anaerobic exercise. They increased their finasteride dose and continued dermarolling but are considering not starting minoxidil due to its perceived hassle and uncertain long-term benefits.

community 35 MtF | 16 Months | Minoxidil + Dutasteride + Microneedling + Exosomes. Note that since I'm early in my transition (and I was coming from a bald state), I still have short hair. Very few MtF progress pictures here, I figure this might help some of you.

in Transgender 127 upvotes 11 months ago

A 35-year-old transitioning female (MtF) shared her hair regrowth journey using Minoxidil, Dutasteride, Microneedling, and Exosomes, starting from a bald state. Commenters discussed the impressive results, skin care routine, and the effects of estrogen on hair and skin.

community Should I apply my grapefruit topically instead of injecting it into my bloodstream?

in Satire 74 upvotes 1 year ago

The conversation is a satirical discussion about using grapefruit for hair regrowth, with suggestions ranging from injecting it to applying it topically or anally. Some users claim unusual benefits like emitting a green aura or jumping high.

community Surprisingly thorough study on He-Shou-Wu/Fo Ti

in Research/Science 14 upvotes 1 year ago

He Shou Wu (Fo Ti) extract was found to prolong the hair growth phase, inhibit 5-alpha-reductase (like finasteride), reduce androgen receptors, and increase growth factors, potentially outperforming minoxidil in recovering hair follicle size after DHT exposure. Two compounds, emodin and TSG, are identified as responsible for these effects and warrant further investigation.

community 11 Months Pantostin / 3 Months 25mg CPA

in Is this regrowth? 16 upvotes 1 year ago

The user is asking for opinions on whether their hair growth is due to Pantostin and hormone treatments. One commenter confirms regrowth and asks about the hormone treatments.

community Vitamin D - I was taking vitamin D last 6 month, my hair is back(4000UI daily)

in Progress Pictures 566 upvotes 1 year ago

User took vitamin D for 6 months and experienced hair regrowth. Others suggest comparing hair at the same length and lighting for accurate results.

community 7 months update - 1 mg fin, topical min

in Progress Pictures 736 upvotes 1 year ago

A user's 7-month progress using 1 mg finasteride and topical minoxidil, with no side effects from the finasteride, achieving baby hairs on the hairline and other positive results. Other users have discussed different treatments such as microneedling and supplements, providing advice and encouragement to the poster.

community Has the user in the HMI-115 trial shared his photos now since it's April?

in Update 25 upvotes 1 year ago

A user who was part of an ongoing trial for a prolactin blocker and had regrowth, but the progress photos were not shared due to negative reactions from other users. Treatments mentioned include HMI-115, Minoxidil, Finasteride, and RU58841.

community I feel like people here shrug off nutritional issues too quickly. Particularly for Retrograde Alopecia.

in Chat 9 upvotes 1 year ago

The user believes Retrograde Alopecia may be linked to vitamin imbalances, specifically from taking too much Vitamin E, A, Zinc, and Selenium, and suggests it could be a middle ground between Androgenic Alopecia and Telogen Effluvium. Treatments for hair loss mentioned include Androgen inhibitors and improving lifestyle factors like nutrition and sleep, with topical melatonin also recommended for Retrograde Alopecia.

community TWIST-1 and the cure: Is it really that easy?

in Research/Science 283 upvotes 2 years ago

TWIST-1 gene's role in hair loss and potential as a treatment target. Inhibiting TWIST-1 may prolong hair growth and reduce hair follicle sensitivity to DHT.

community 22M Exact three months of medication. Dut(0.5mg/day)+minox(2 times a day)+vitamin D (60k/week)

in Progress Pictures 326 upvotes 2 years ago

User took Dutasteride, Minoxidil, and Vitamin D for hair loss treatment and saw improvement in 2 months. Vitamin D deficiency played a role in recovery.

community Vitamin D help? Any help would be appreciated :D

in Chat 55 upvotes 4 years ago

The individual is experiencing hair loss and has a vitamin D deficiency, with levels at 7.49ng/ml or 26nmol/l. They are unsure if the deficiency is causing the hair loss and are seeking advice on vitamin D supplementation.

community 3yr Fin/Dut/Niz NW3+ —> NW1.5 Pictures with Writeup

in Progress Pictures 32 upvotes 4 years ago

A user improved their hair loss from NW3+ to NW1.5 over three years using a regimen of dutasteride, finasteride, Nizoral, biotin, and collagen. They experienced some side effects and adjusted dosages over time, and noted additional benefits like better skin and muscle gain.