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research Porosity at Different Structural Levels in Human and Yak Belly Hair and Its Effect on Hair Dyeing
Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
research Microstructure of Defective Mink Guard Hair
Defective mink guard hairs have split tips and missing cuticle cells, causing a metallic sheen.
research Comprehensive molecular and cellular studies suggest avian scutate scales are secondarily derived from feathers, and more distant from reptilian scales
Bird scales evolved from feathers, not reptile scales.
research Large-scale cultivation of transplantable dermal papilla cellular aggregates using microfabricated PDMS arrays
Researchers developed a method to grow hair follicle cells for transplantation using a special chip.
research Sparse haplotype-based fine-scale local ancestry inference at scale reveals recent selection on immune responses
Recent selection on immune response genes was identified across seven ethnicities.
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5 / 34 resultscommunity DHT Harms Scalp Microbiome: DHT Itch is REAL
Increased Malassezia and Cutibacterium in the scalp microbiome are linked to higher sebum production and inflammation in androgenetic alopecia (AGA). Treatments include ciclopirox shampoo, benzoyl peroxide shampoo, clobetasol propionate, calcipotriol, minoxidil, finasteride, and dutasteride.
community for anyone who is on the fence about oral minoxidil should read this NYT article it might help. it's an old one but people might need a refresher. https://www.nytimes.com/2022/08/18/health/minoxidil-hair-loss-pills.html
Oral minoxidil is more effective than topical for hair regrowth but may cause unwanted body hair growth and cardiovascular side effects. Some users experience positive results, while others discontinue use due to side effects like chest pain.
community My Theory Of Androgenic Alopecia
Hair loss is linked to cellular physiology and the IGF-1 to TGF-B1 ratio, not just androgen sensitivity. The theory lacks evidence, while finasteride and minoxidil are effective treatments.
community Popular hair loss drug linked to higher suicide risk: compared to non-users, finasteride (Proscar/ Propecia) users have a markedly increased risk of depression, anxiety, and suicidal thoughts. Over 30 years of observation, 19,320 suicides were expected.
Finasteride users may have an increased risk of depression, anxiety, and suicidal thoughts, though some attribute these issues to hair loss itself. The link between finasteride and mental health effects is debated, with varying user experiences.
community Switched from fin to dut 4 months ago. Shed is ravaging me. Did you guys also experience this and see succes in the end.du
Switching from finasteride to dutasteride can initially increase hair shedding, but some users eventually see improvement. Experiences differ, with some finding dutasteride more effective, while others face worsening hair loss or side effects.