12 citations,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.
69 citations,
January 2002 in “Journal of biomedical optics” Dyes can penetrate human skin and hair follicles up to 1.2 mm deep and the sebaceous gland can store dye; Indocyanine Green lotion was made for safe dyeing and monitoring.
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.
1 citations,
March 2017 in “Journal of evolution of medical and dental sciences” Microneedling with either platelet-rich plasma or 5% minoxidil can increase hair growth in people with androgenetic alopecia, but minoxidil might be slightly better.
28 citations,
May 1998 in “Skin Research and Technology” Scalp flaps are stiffer than skin from other body areas, which helps in planning reconstructive and cosmetic head surgeries.
93 citations,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
20 citations,
December 2011 in “Journal of inherited metabolic disease” Valproic acid treatment increases a specific acid in urine by blocking an enzyme, possibly causing skin rash and hair loss.
4 citations,
August 2020 in “Journal of Cosmetic Dermatology” QR 678 and QR678 Neo treatments are effective for hair loss in women with PCOS.
39 citations,
June 2013 in “Journal of Cosmetic Dermatology” Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.
4 citations,
February 2018 in “Jurnal teknologi” Kaempferia galanga extract could be a good ingredient for anti-dandruff hair cream.
21 citations,
April 1990 in “Journal of comparative neurology” The study found that nerve signals are stronger when there are more connection points, but not necessarily denser, along the nerve's path in the spine.
19 citations,
April 2010 in “Journal of Dermatological Treatment” Partial hair follicle extraction can effectively double the number of hair follicles for transplants, with most surviving and growing normally after a year.
2 citations,
December 2021 in “Pharmaceutics” Finasteride-loaded proniosomes effectively promote hair growth in mice.
4 citations,
July 2022 in “Scientific reports” Crossbreeding improves goat fiber quality, and specific genes affect hair traits and color.
3 citations,
November 2018 in “Journal of cellular physiology” Serenoa repens and N-acetyl glucosamine/milk proteins complex may help with hair growth and prevent hair loss.
27 citations,
October 2016 in “The Journal of Clinical Endocrinology and Metabolism” Daughters of women with PCOS generally experience normal puberty but may have more body hair and different body fat distribution.
22 citations,
October 2001 in “Biochemical Pharmacology” GI198745 is more potent and longer-lasting than finasteride, potentially better for treating hair loss.
45 citations,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
15 citations,
April 2003 in “Journal of Dermatological Science” Gene differences may affect baldness treatment response in Korean men.
10 citations,
May 2020 in “Journal of Dermatological Treatment” Microneedling with 5% minoxidil improves hair loss in Chinese men by activating Wnt/ß-catenin pathway.
12 citations,
January 1998 in “Endocrine journal” Saw palmetto extract can block the enzyme that converts testosterone in pig prostate cells.
7 citations,
January 2019 in “Pharmaceutical Biology” Eclipta prostrata helps hair growth and maintains the growth phase by affecting certain growth factors.
27 citations,
September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
17 citations,
June 2012 in “European journal of medicinal chemistry” New steroid compounds effectively inhibit 5α-reductase and may treat hair loss.
26 citations,
August 2019 in “Stem Cell Research & Therapy” PBX1 helps hair stem cells grow and change by turning on certain cell signals and preventing cell death, which may be useful for hair regrowth treatments.
11 citations,
March 2008 in “Experimental Dermatology” A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.
45 citations,
September 2000 in “Archives of dermatology” The study found that the enzyme linked to acne is present in the same areas of both acne-affected and normal skin.
3 citations,
April 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Beta-caryophyllene, found in essential oils, helps wounds heal better in multiple ways.
42 citations,
February 1998 in “The Journal of Steroid Biochemistry and Molecular Biology” PNU 157706 is a more effective treatment than finasteride for conditions caused by DHT, like enlarged prostate and hair loss.
113 citations,
November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.