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Research

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research Sex-dependent effect of a low neurosteroid environment and intrauterine growth restriction on fetal guinea pig brain development.

63 citations , December 2010 in “Journal of Endocrinology”

This study found that decreased allopregnanolone levels through inhibition or intrauterine growth restriction in guinea pigs were linked to altered brain development markers, suggesting a role for neurosteroids in fetal brain protection and development.

research RETRACTION: Fabrication of Silver Nanoparticles from Ziziphus nummularia Fruit Extract: Effect on Hair Growth Rate and Activity against Selected Bacterial and Fungal Strains

January 2026 in “Journal of Nanomaterials”

research Ultrahigh-Power Sonicator Lysis Enables Deep Proteomic Profiling of Hair Shafts for Fetal Growth Restriction Biomarker Discovery

November 2025 in “Analytical Chemistry”

This study developed an ultrahigh-power sonicator to improve protein extraction from hair shafts, followed by advanced proteomic analysis, identifying 239 differentially expressed proteins in fetal growth restriction cases compared to healthy controls, which were validated as potential biomarkers for perinatal diagnostics.

research Ultrahigh-Power Sonicator Lysis Enables Deep ProteomicProfiling of Hair Shafts for Fetal Growth Restriction Biomarker Discovery

November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)”

This study developed a new method using ultrahigh-power sonication and mass spectrometry to improve protein extraction from hair shafts, identifying 239 differentially expressed proteins related to fetal growth restriction, which were validated as potential noninvasive biomarkers for perinatal diagnostics.

research Caloric Restriction Promotes Structural and Metabolic Changes in the Skin

67 citations , September 2017 in “Cell Reports”

Caloric restriction improves skin and fur structure but can cause muscle loss and movement issues.

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Community Join

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community Extreme growth from only vitamins!

in Update 63 upvotes 1 year ago

A user experienced significant hair regrowth after improving their diet, getting sunlight, taking a multivitamin, and exercising, following a period of extreme calorie restriction and hair shedding. Others in the conversation attribute the hair regrowth to increased calorie intake rather than just vitamins.

community PP405, a new hair growth stimulant that is completely different from minoxidil.

in Product 109 upvotes 2 years ago

PP405 is a new hair growth stimulant different from Minoxidil, currently in phase 2 trials. Users discuss its potential, safety concerns, and the long wait before it might be available.

community Hypoxia (lack of oxygen) enhances hair growth via stem cells

49 upvotes 1 year ago

Hypoxia may enhance hair growth by stimulating stem cells, but it could also risk fibrosis. Some users humorously discuss extreme methods like choking while using minoxidil, highlighting the need for new treatments.

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 Why does the same hormone grow your beard and destroy your hairline?

44 upvotes 4 months ago

DHT promotes beard growth but causes scalp hair loss due to inflammation and fibrosis. Treatments like finasteride and minoxidil help with hormonal signals and blood flow but don't address underlying inflammation.

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Learn

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learn Beta Polypeptide

learn Epidermal Growth Factor

learn Vascular Endothelial Growth Factor

learn Caffeine

Does caffeine stimulate hair growth or only slow hair loss? Caffeine stimulates hair follicles in laboratory cultures, and one open-label trial in 210 men found a 0.2% caffeine topical non-inferior to minoxidil 5% on an anagen-ratio endpoint; there is no placebo-controlled evidence that it regrows hair, and none at all in alopecia areata or telogen effluvium.

learn Lavender

Does lavender promote hair growth or just soothe an irritated scalp? Lavender may promote hair growth and soothe an irritated scalp.

learn Bimatoprost

Can a lash-growth serum like bimatoprost actually work for your scalp? Bimatoprost (Latisse) is approved for eyelashes, not the scalp; two Allergan phase 2 trials in men with androgenetic alopecia posted results to ClinicalTrials.gov but were never published in a peer-reviewed journal, so scalp use remains off-label and experimental.

learn Dexpanthenol

Does dexpanthenol promote hair growth? Dexpanthenol improves hair moisture and strength but does not directly promote hair growth.

learn horsetail extract

How does horsetail extract support hair growth — is it the silica, the antioxidants, or both? Horsetail extract supports hair growth primarily through its silica content.

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Clinics

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