25 citations,
November 1987 in “British Journal of Dermatology” Minoxidil didn't increase scalp blood flow for hair growth, but hexyl nicotinate did.
17 citations,
October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
13 citations,
November 2010 in “Experimental Dermatology” Vitamin C derivative reduces hair loss-related protein in cells.
13 citations,
April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
11 citations,
January 2014 in “International Journal of Trichology” Witch hazel-based hair products improved scalp irritation and were well-tolerated.
8 citations,
October 2008 in “Medical hypotheses” Baldness might be caused by scalp weight pressing on hair follicles.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.
67 citations,
February 2009 in “Journal of Dermatology” 65 citations,
October 1999 in “Journal of The American Academy of Dermatology” Finasteride effectively reduces hair loss by decreasing androgen levels.
59 citations,
September 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride reduces scalp DHT levels, potentially treating male pattern baldness.
41 citations,
June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
32 citations,
December 2004 in “BMC Public Health” Men can report their own balding patterns well enough for large health studies.
30 citations,
September 2004 in “Experimental Dermatology” Scalp hair follicle culture has limits for testing minoxidil's hair growth effects.
29 citations,
October 2011 in “British Journal of Dermatology” Certain microRNAs are more common in balding areas and might be involved in male pattern baldness.
28 citations,
August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
20 citations,
February 1991 in “The Journal of Dermatologic Surgery and Oncology” Scalp flaps are used for reconstruction, considering factors like inelasticity, hair growth, and blood supply, with techniques adapting to age-related changes in vascularity.
17 citations,
August 2018 in “Journal der Deutschen Dermatologischen Gesellschaft” Researchers found that dissecting folliculitis of the scalp is linked to obesity, severity increases with duration and number of nodules, and early treatment is important to prevent scarring.
8 citations,
November 2020 in “Frontiers in Cell and Developmental Biology” Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
6 citations,
December 2013 in “Journal of Cutaneous Pathology” Certain immune cells are more common on the top of the head and might help predict or treat common hair loss.
2 citations,
May 2014 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Dermoscopy helps diagnose different scalp conditions by showing unique signs for each disorder.
25 citations,
October 2018 in “Journal of The American Academy of Dermatology” Erosive pustular dermatosis of the scalp is a type of skin inflammation often confused with other conditions, requiring continuous treatment.
16 citations,
January 2018 in “Biochemical and Biophysical Research Communications” Researchers created five new human scalp cell lines that could be useful for hair growth and loss research.
11 citations,
April 2013 in “Journal of Proteomics” Found different proteins in balding and non-balding cells, giving insight into hair loss causes.
6 citations,
December 2014 in “Clinical and Experimental Dermatology” Hair density and thickness decrease in all scalp areas for East Asians with AGA.
304 citations,
July 2006 in “Journal of The American Academy of Dermatology” Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.
70 citations,
January 2009 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Androgens slow hair growth by altering Wnt signaling in balding cells.
4 citations,
July 2020 in “Biochemical and Biophysical Research Communications” A protein called ectodysplasin-A2 increases a hair growth inhibitor in balding cells, which could be a target for hair loss treatment.
4 citations,
May 2019 in “Skin Research and Technology” Finasteride helps hair growth but stopping it causes faster hair loss.
100 citations,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.