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Research

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research What is the best sampling region for endocrine hair analysis? A comparison between the posterior vertex and occipital region and recommendation for standardization

9 citations , April 2025 in “Psychoneuroendocrinology”

This study found no consistent differences between the posterior vertex and occipital region for hair hormone analysis, but noted significant variations in specific hormone concentrations, highlighting the need for standardized sampling practices.

research Hair sampling for cortisol analysis with mother-toddler dyads living in low-income homes

8 citations , October 2020 in “Infant behavior & development”

This study found that sampling hair for cortisol analysis in mother-toddler dyads living in low-income U.S. homes is feasible, with 66% of approached dyads participating.

The Feasibility and Utility of Hair Follicle Sampling to Measure FMRP and FMR1 mRNA in Children With or Without Fragile X Syndrome: A Pilot Study

research The feasibility and utility of hair follicle sampling to measure FMRP and FMR1 mRNA in children with or without fragile X syndrome: a pilot study

December 2022 in “Journal of neurodevelopmental disorders”

This study observed that repeated hair follicle sampling is feasible and reliable for measuring FMR1 mRNA and FMRP in individuals with Fragile X syndrome, supporting its use in longitudinal studies.

research The Feasibility and Utility of Hair Follicle Sampling To Measure FMRP and FMR1 mRNA in Children With or Without Fragile X Syndrome

December 2021 in “Research Square (Research Square)”

This study found that repeatedly collecting hair follicles from individuals with fragile X syndrome is feasible for measuring FMR1 and FMRP levels in both home and office settings.

research An efficient, non-invasive approach for in-vivo sampling of hair follicles: design and applications in monitoring DNA damage and aging

12 citations , December 2021 in “Aging”

This study demonstrated that a new non-invasive method for collecting and analyzing mouse hair follicles could replace traditional biopsy methods, providing advantages for translational research and routine applications.

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Learn

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learn Hair Transplant

Hair transplantation moves DHT-resistant follicles from a donor area (back and sides of the scalp) into thinning or bald areas. The transplanted hair is generally permanent, though surrounding native hair can keep thinning.

What are the risks and side effects of a hair transplant? Common risks include swelling, redness, infection, scarring, and temporary hair loss.

learn Hair Fibers

cosmetic product that temporarily makes hair appear thicker

Do hair fibers really make thinning hair look fuller, or is it just an illusion? Hair fibers create an optical illusion of fullness but do not actually thicken hair.
How do you apply hair fibers correctly so they stay in place all day? Apply hair fibers to clean, dry hair and use a setting spray for better hold.
Can hair fibers be used along with medical treatments like minoxidil or finasteride? Yes, hair fibers can be used with minoxidil or finasteride without any chemical interaction.
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learn Hair Multiplication

extract, clone, and reinsert your own hair cells

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Community Join

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community Does creatine increase DHT/cause hair loss?

21 upvotes 3 years ago

Creatine is reported to cause increased hair shedding, but there is no scientific evidence linking it to hair loss. Some users manage hair loss with finasteride and minoxidil or consider stopping creatine if shedding worsens.

community If you’re on the fence about Finasteride, don’t wait!

in Finasteride/Dutasteride 78 upvotes 3 years ago

Finasteride, a medication for hair loss that has both positive and negative effects. Users discussed their own personal experiences with the drug as well as potential side-effects of taking it, such as erectile dysfunction or gynecomastia. Suggestions were also made about starting at a lower dosage to minimize these risks.

community Does finasteride decrease free testosterone?

in Research/Science 186 upvotes 1 year ago

Finasteride may decrease free testosterone by increasing SHBG, potentially causing side effects like reduced libido and hormonal changes. Some find it effective for hair loss, while others experience negative effects.

community What has your 0.5mg/daily dutasteride timeline been?

in Research/Science 34 upvotes 1 year ago

Many users report switching from finasteride to dutasteride with mixed results, often experiencing increased shedding and minimal regrowth. Some users find dutasteride more effective in slowing hair loss, while others see no improvement or even regression.

community Recently my cum taste weird and

in Satire 124 upvotes 1 year ago

Dutasteride may alter the taste of semen. Some users report changes in taste while on finasteride or dutasteride.

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Clinics

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