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learn Selenium

What are the risks of taking too much Selenium, and how can you get the right amount safely? Excess selenium can cause toxicity; aim for recommended dietary amounts through food sources.
Is Selenium more effective when taken orally or applied topically in shampoos or serums? The two are not interchangeable and the evidence points the other way from the common assumption: topical selenium disulfide shampoo has clinical trial support for dandruff and seborrheic dermatitis, while oral selenium supplements have no reliable evidence for hair growth in people who are not deficient, and excess intake is a recognised cause of hair loss.
What is Selenium and why is it important for healthy hair and scalp function? Selenium is essential for hair health due to its antioxidant properties and role in thyroid function.
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Research

5 / 1000+ results

research Absorption of Excess Selenium and Sulfur by Plants and Animals

7 citations , January 1995 in “Journal American Society of Mining and Reclamation”

This review discusses the forms of selenium and sulfur in soil, their plant absorption, and risks of toxicity to livestock, emphasizing selenium's role in selenosis and sulfur's link to polioencephalomalacia in ruminants; it reports no new experimental results.

research Changes in murine hair with dietary selenium excess or deficiency

6 citations , March 2011 in “Experimental Dermatology”

This study found that an imbalance of selenium in a C57BL/6 mouse model led to hair loss with color change and was linked with changes in hair follicle apoptosis markers.

research What’s New in the Histologic Evaluation of Alopecia and Hair-Related Disorders?

4 citations , July 2012 in “Dermatologic Clinics”

This article reviews advances in the histologic evaluation of alopecia and hair-related disorders, without presenting new clinical results.

research Ingestion of a dietary supplement resulting in selenium toxicity

27 citations , June 2010 in “Journal of the American Academy of Dermatology”

Excessive selenium in supplements can cause hair loss and nail issues.

research Coat Problems

December 2021

This chapter reviews factors affecting hair growth and shedding and describes various conditions that can lead to hair growth diseases, but it reports no new clinical findings.

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Community Join

5 / 118 results

community Bought a digital microscope and found some trichoscopic anomalies

29 upvotes 1 day ago

A user noticed irregularities on their scalp using a digital microscope and suspects scarring alopecia, despite using minoxidil and finasteride. Other users suggest seborrheic dermatitis as a possible cause and recommend treatments like ketoconazole shampoo, sulfur soap, selenium sulfide shampoo, and apple cider vinegar rinses.

community Are carbohydrates needed for hair growth

26 upvotes 2 years ago

A 47-year-old male experienced significant hair loss after losing 37 kg in 6 months on a low-carb diet and started taking biotin, zinc, iron, selenium, and spectral dcn-n. Replies suggest that while carbs are not directly needed for hair growth, they help regulate hormones and nutrient absorption, and rapid weight loss can also contribute to hair loss.

community 8 years of hair loss, turning 30 next month

in Progress Pictures 151 upvotes 1 year ago

The user has been dealing with hair loss for 10 years, worsened by psoriasis, and uses minoxidil and finasteride. They seek advice on managing psoriasis and hair loss, with suggestions to see a dermatologist, try different shampoos, and be patient.

community Bryan (the guy who reversed aging) shares treatment that reversed his hair loss

1096 upvotes 1 year ago

A person improved hair loss from Norwood 3 to Norwood 2 using a topical formula with minoxidil, dutasteride, and tretinoin, plus oral minoxidil and red light therapy. There is skepticism about the treatment's effectiveness and concerns about misleading comparison photos.

community ~6 years on Fin + 3 years of Min. Seeing zero progress.

in Progress Pictures 228 upvotes 8 months ago

The user has been using finasteride for six years and minoxidil for three years with no noticeable hair regrowth. Suggestions include switching to dutasteride, considering a hair transplant, and trying microneedling.

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