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Research

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research Contribution of hair density and hair diameter to the appearance and progression of androgenetic alopecia in Japanese men

21 citations , July 2014 in “British Journal of Dermatology”

In this study, hair loss in Japanese men with androgenetic alopecia was found to be primarily due to hair follicle miniaturization rather than hair shedding, particularly in those aged 25 and older.

research Why Some Women Look Young for Their Age

175 citations , November 2009 in “PLOS ONE”

This study found that both genetic and environmental factors influence appearance-related aging in women, with skin wrinkling, hair graying, and sun damage significantly affecting perceived age more than chronological age.

research Effectiveness, Tolerability, and Acceptance of a Food Supplement in the Management of Non‐Illness‐Related Hair Loss and Thinning

May 2026 in “Journal of Cosmetic Dermatology”

This study found that a nutritional supplement containing millet extract, pantothenic acid, L-cystine, and biotin significantly increased hair density, improved hair growth and appearance, and reduced hair loss by 59% in 112 healthy subjects with light diffuse hair loss over 12 weeks.

research 25560 Assessment of patient satisfaction and adverse effects following the use of a commercially available hair fiber filler

August 2021 in “Journal of the American Academy of Dermatology”

This article reviews the use of hair filler fibers for improving the appearance of thinning hair and calls for more studies on patient satisfaction and side effects, without providing new clinical results.

research Scalp micropigmentation as an alternative to Hair transplant surgery

November 2019 in “Quality in primary care”

This paper describes Scalp Micropigmentation (SMP) as a cosmetic procedure that creates the appearance of hair through medical hairline tattoos, providing a non-surgical alternative to hair transplants with no downtime.

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Community Join

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community Anyone else freaking out over their barber using those thinning scissors

in Chat 89 upvotes 1 year ago

Thinning scissors can worsen the appearance of already thin hair. Some recommend being clear with barbers and using Minoxidil for hair loss.

community Considering a #1 Buzz Cut for Crown Thinning; Currently on Dutasteride + Minoxidil

in General 54 upvotes 7 months ago

The user is using Dutasteride and Minoxidil for hair loss and is considering a shorter buzz cut to manage the appearance of thinning at the crown. They are unsure if a #1 buzz cut would look better than a #3 while waiting for the treatment to take effect.

community Taking HRT medication not only cured my thinning hair, it gave me better hair than I ever had before

in Transgender 12 upvotes 10 months ago

Hormone replacement therapy with spironolactone and estradiol significantly improved hair thickness and growth, surpassing previous treatments like dutasteride, finasteride, and minoxidil. The user experienced regrowth in receded areas and a more youthful appearance.

community If sea salt spray makes thinning worse, then what?

7 upvotes 2 years ago

Sea salt spray may not be ideal for thinning hair, and alternatives like texture powder, thickening tonic, and styling clay are suggested for volume without damage. Some users recommend thickening sprays or mousse for a fuller appearance, while others suggest considering medication for hair loss.

community 23, Worried About Crown — Thinning or Natural Whorl?

in Basic Questions 114 upvotes 2 months ago

A 23-year-old is concerned about potential crown thinning and has been using minoxidil for 3 years and finasteride for 10 months, with overall hair improvement. They are unsure if their crown appearance is due to natural hair whorls or early thinning.

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Learn

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learn Scalp Micropigmentation

scalp tattoos to mimic the appearance of light stubble

What is Scalp Micropigmentation and how does it help people with visible hair loss? Scalp Micropigmentation creates the illusion of hair follicles on the scalp for visible 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.

learn Vitamin B1

Can low vitamin B1 or B2 cause thinning hair? There is no verified human trial showing that B1 or B2 deficiency causes thinning hair or that correcting it regrows hair; a 2019 review concludes the role of micronutrients in hair loss is real but unclear and still needs controlled trials.

learn Microneedling

How does microneedling boost hair growth in thinning areas of the scalp? Small trials suggest microneedling may help mainly as an add-on to minoxidil; how it works in humans is not established, and the FDA has not cleared any microneedling device for hair loss.

learn Stemoxydine

Is stemoxydine effective for early-stage thinning and alopecia? Three short, L’Oréal-linked studies in men reported small density gains over vehicle after 3 months. There is no long-term or independent controlled evidence, and no controlled data in women.

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