3 citations
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January 2023 in “Nutrients” Hordenine may help hair grow by activating a specific cell growth pathway.
28 citations
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August 2003 in “Steroids” Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.
May 2026 in “Applied Spectroscopy” Humidity affects hair structure changes during stretching.
9 citations
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January 2017 in “Ginekologia Polska” A higher testosterone to dihydrotestosterone ratio may indicate worse metabolic health in women.
September 2024 in “Vietnam Journal of Biotechnology” Astaxanthin may help protect hair cells from damage and prevent hair loss.
10 citations
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March 1973 in “Journal of Investigative Dermatology” August 2025 in “Therapeutics” Low-dose DMSO may help treat castration-resistant prostate cancer by reducing key cancer cell receptors.
22 citations
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November 2016 in “International journal of molecular sciences” Vitamin D receptor is important for regulating hair growth and wound healing in mice.
January 2026 in “Molecules” Dihydroartemisinin could be a versatile cosmetic ingredient but needs more research and development.
6 citations
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December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
June 2026 in “Precision medicine and engineering.” The hydrogel dressing RD@PVA helps heal diabetic wounds by reducing stress and improving blood vessel growth.
67 citations
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September 2001 in “American Journal Of Pathology” Inhibiting ODC can prevent UV-induced skin cancer.
September 2022 in “Journal of Theoretical Biology” Hair follicles can regenerate after radiation damage but not during a specific growth phase.
5 citations
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May 2019 in “Hormone and Metabolic Research” Women with nonclassic 21-hydroxylase deficiency can have successful pregnancies through IVF, with certain factors affecting their chances.
August 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The hexosamine pathway helps protect skin cells from stress and may improve skin and hair health.
9 citations
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February 2004 in “Veterinary Dermatology” Canine hair follicle cells metabolize DHEA and testosterone differently than human cells.
December 2021 in “2021 International Conference on Electronic Information Technology and Smart Agriculture (ICEITSA)” Chemical dyes damage hair's internal structure more than perming, as shown by a special imaging technique.
15 citations
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April 2023 in “Biology” Plant and algal lipid droplets are promising for natural oil production but need better extraction methods.
October 2023 in “Biomimetics” The new hair-dyeing shampoo is safe, colors hair evenly, and strengthens it.
5 citations
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January 2011 in “International Journal of Cosmetic Science” 1,2,3,4-tetrahydroquinoline compounds are great for stable, pure blue hair dye.
47 citations
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February 1998 in “Journal of bone and mineral research” A specific gene mutation causes vitamin D-resistant rickets and hair loss.
2 citations
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January 2009 in “Journal of Drug Delivery Science and Technology” Minoxidil in distearyldimethylammonium chloride vesicles significantly promotes hair growth, while minoxidil in microparticles or poloxamer solutions doesn't.
Mutations in the hairless protein gene cause hair loss.
14 citations
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September 1954 in “Textile Research Journal” Hair absorbs different substances from solutions based on pH levels.
1 citations
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September 2019 in “Journal of Investigative Dermatology” Human hair matrix cells and dermal papilla fibroblasts can form early hair follicle structures but don't produce hair shafts yet.
66 citations
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October 1987 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Measuring androstanediol glucuronide in blood is useful for assessing and tracking treatment in women with excessive hair growth.
21 citations
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January 2017 in “MethodsX” Methanol is better than isopropanol for washing grizzly bear hair to measure cortisol.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
8 citations
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July 2018 in “Analytical sciences” Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
202 citations
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August 2017 in “Nature cell biology” Lactate production is important for activating hair growth stem cells.