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community Scalp testosterone does NOT cause hair loss, what is this baseless claim ?

in Research/Science 13 upvotes 6 months ago

DHT, not testosterone, causes hair loss. Treatments like finasteride, dutasteride, and RU58841 target DHT to manage hair loss.

community Switched from Finasteride to Dutasteride – could the increase in scalp testosterone make hair loss worse

4 upvotes 5 days ago

Switching from finasteride to dutasteride may lead to increased scalp testosterone, which some fear could worsen hair loss despite lower DHT levels. Experiences vary, with some seeing improvement and others experiencing more shedding or worsening hair, suggesting individual sensitivity and the need for patience.

community Scalp tension/pain = Hair loss?

in Chat 1 upvotes 8 months ago

Hair loss was triggered by a testosterone and Masteron cycle, causing scalp tension and shedding. Topical finasteride, RU58841, and oral minoxidil were used to stop shedding and improve scalp condition.

community How is scalp sensitivity even measured?

in Research/Science 9 upvotes 8 months ago

There are no tests to determine genetic follicle sensitivity for hair loss, and conclusions are based on hypothetical or post-balding observations. Finasteride is mentioned as an easy, consistent treatment option compared to natural treatments.

community (26M) I just received the test results for my hair loss.

2 upvotes 1 year ago

A 26-year-old man with diffuse alopecia is using electric scalp massage, dermastamp, and multivitamins for treatment but is intolerant to finasteride. A dermatologist recommended PRP and mesotherapy with exosomes and dutasteride.

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Research

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research Common Allergens Identified Based on Patch Test Results in Patients with Suspected Contact Dermatitis of the Scalp

16 citations , December 2016 in “Skin appendage disorders”

This study analyzed patch test results to identify allergens causing scalp contact dermatitis, finding nickel, cobalt, and balsam of Peru among the most common in the patient population.

research Improvement in scalp hair growth in androgen‐deficient women treated with testosterone: a questionnaire study

21 citations , October 2011 in “British Journal of Dermatology”

This study found that subcutaneous testosterone therapy improved scalp hair growth in a majority of androgen-deficient women who previously reported hair thinning and did not report hair loss as a side effect.

research Early Dissecting Cellulitis of the Scalp Following Repeated Microinfusion of Medication Into the Skin in a Patient With Androgenetic Alopecia and Long-Term Exogenous Testosterone Use: A Case Report

May 2026 in “Cureus”

This case study describes a 34-year-old male developing painful inflammatory scalp nodules post-scalp microinfusion of medication. The findings suggest that repeated microtrauma or bacterial colonization might trigger dissecting cellulitis in susceptible individuals, with exogenous testosterone as a potential modifier, not a direct cause.

research The effect of finasteride, a 5 alpha-reductase inhibitor, on scalp skin testosterone and dihydrotestosterone concentrations in patients with male pattern baldness.

59 citations , September 1994 in “The Journal of Clinical Endocrinology and Metabolism”

This study found that 4 weeks of finasteride treatment significantly decreased DHT levels in bald scalp to levels similar to hair-containing scalp in men with male pattern baldness.

research Androgen-Dependent Beard Dermal Papilla Cells Secrete Autocrine Growth Factor(s) in Response to Testosterone Unlike Scalp Cells

51 citations , November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology”

In this study, researchers found that while both beard and scalp dermal papilla cells release similar autocrine growth factors, only beard cells increased production and response with testosterone, suggesting these factors enhance androgen-induced hair growth.

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learn Scalp Micropigmentation

Are the pigments used in scalp micropigmentation safe? Providers describe SMP pigments as safe, medical-grade and made for the scalp, but those are supplier and clinic descriptions rather than regulatory approvals: no colour additive is approved for injection into the skin, and allergic reactions to tattoo pigment are documented.
Is scalp micropigmentation suitable for people with sensitive skin? Providers say scalp micropigmentation suits most skin types and describe patch tests, hypoallergenic pigments and a skin consultation for sensitive skin. These are provider claims rather than independent safety evidence, and pigment reactions remain a risk.
Will scalp micropigmentation damage my existing hair or follicles? Providers say SMP sits above the hair follicles and does not harm them. No study has tested this, and infection or scarring from any tattoo can affect the skin.

learn Rapamycin

Are there any visible side effects when using rapamycin cream or serum on the scalp? No study has tested rapamycin on the scalp; in facial trials skin reactions were common (64% vs 29% placebo; Aitken et al. 2023, PMID 37463422).

learn Hair Fibers

Are hair fibers safe for sensitive scalps or people with dandruff and irritation? No study has tested hair fibers on sensitive or dandruff-prone scalps. Users are advised to wash them out daily, try a small area first, and stop if irritation appears.