April 2024 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Using both minoxidil and biotin together increased hair growth more than using either one alone.
December 2023 in “Journal of Cosmetic Dermatology” The hair growth product was effective and safe, increasing hair growth, thickness, and density while reducing hair fall.
November 2023 in “International Journal of Women's Dermatology” Hormone replacement therapy may improve hair growth in the frontal hairline of postmenopausal women with hair loss.
The document does not provide the results or effectiveness of the green tea and gotukola extract hair growth treatment.
January 2023 in “Journal of Cosmetics, Dermatological Sciences and Applications” The hair growth serum Trichosera® was effective in increasing hair regrowth and density and reducing hair fall without significant side effects.
September 2013 in “Daehan hwajangpum hakoeji/Daehan hwa'jangpum haghoeji” Shampoo with ginseng helped improve hair thickness, density, growth, and reduced hair loss.
6 citations
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August 2007 in “Journal of Surgical Research” Mice genetically modified to produce more Del1 protein had faster hair regrowth.
4 citations
,
January 2016 in “Advances in experimental medicine and biology” Freezing and storing special stem cells from hair follicles keeps their ability to grow hair and turn into different cell types.
4 citations
,
January 1991 in “Journal of dermatological treatment” Goserelin and oestradiol treatment slightly improved hairiness but did not significantly change sebum production or hair characteristics in mildly hirsute women.
November 2025 in “Nature Communications” Hair growth may involve a pulling force from the outer root sheath.
The document concludes that measuring hair density, shaft diameter, growth rate, and anagen:telogen ratio is important for assessing hair growth treatments.
January 2024 in “Biochemical genetics” The research found specific genes and proteins that affect how fast chickens' feathers grow, which is not solely determined by traditional inheritance patterns.
6 citations
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October 1997 in “CNS Drugs” Psychotropic drugs can cause hair loss or excessive hair growth.
26 citations
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September 1999 in “Canadian Journal of Botany” The RHD4 gene is crucial for consistent root hair growth in Arabidopsis thaliana.
8 citations
,
September 2016 in “Asian journal of beauty & cosmetology” Dendropanax morbifera leaf extract could be good for hair growth and cosmetic products because of its antioxidant properties and growth factor effects.
19 citations
,
June 2008 in “Journal of Investigative Dermatology” HPV genes in mice improve ear tissue healing by speeding up skin growth and repair.
23 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain chemicals and peptides can promote hair growth or prevent baldness.
3 citations
,
November 2022 in “Molecules/Molecules online/Molecules annual” The substances improved hair regrowth and protected hair cells in humans and mice.
44 citations
,
February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
38 citations
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December 2011 in “British Journal of Dermatology” Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.
25 citations
,
June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Phototrichogram and hair diameter measurements are effective, noninvasive ways to assess hair growth and detect early hair loss, with the most common pattern being reduced hair density.
25 citations
,
August 2015 in “Journal of cosmetic dermatology” African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.
23 citations
,
April 2006 in “Skin Research and Technology” The study concluded that a special imaging technique showed women with hair loss have slower hair growth and a faulty hair replacement cycle.
22 citations
,
January 2017 in “Indian Dermatology Online Journal” Body hair transplants can treat baldness but differ from scalp hair and need more research on long-term results and side effects.
16 citations
,
April 2009 in “Dermatologic Surgery” The place where hair is transplanted can change its growth rate and length but not its thickness.
15 citations
,
May 2013 in “American Journal of Medical Genetics - Part A” People with X-linked hypohidrotic ectodermal dysplasia have no sweat ducts and less, thinner hair.
14 citations
,
September 2020 in “Clinical, cosmetic and investigational dermatology” The hair serum significantly improved hair growth and reduced hair fall without causing any skin issues.
13 citations
,
August 2016 in “Medical Hypotheses” Hair characteristics might be early signs of Type 2 Diabetes and could help with early prevention.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
7 citations
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November 2022 in “International Journal of Molecular Sciences” As Japanese males age, their hair darkens due to increased melanin, with males generally having darker hair than females.