November 2025 in “Journal of Investigative Dermatology” Estetrol may help prevent hair loss and support hair growth in women.
34 citations
,
April 2009 in “Skin Pharmacology and Physiology” Minoxidil affects cell growth in two ways: low doses increase growth, while high doses slow it down and can be toxic.
January 2007 in “Strait Pharmaceutical Journal” Water-soluble minoxidil effectively promoted hair growth in mice.
5 citations
,
November 2022 in “Journal of Ginseng Research/Journal of ginseng research” Ginsenoside Re from Panax ginseng may prevent hair loss by maintaining autophagy and Wnt signaling in hair cells.
July 2022 in “British Journal of Dermatology”
Using 5% minoxidil foam twice daily can help regrow hair, especially in younger men aged 20-30.
August 2003 in “Journal of Investigative Dermatology” Phosphatidic acid may promote hair growth like minoxidil.
5 citations
,
March 2009 in “Skin Pharmacology and Physiology” DNA flow cytometry effectively evaluates how different conditions affect hair growth cell activity.
January 2026 in “British Journal of Dermatology” Caffeine and DMG increase calcium influx in hair follicle cells without being toxic.
1 citations
,
April 2018 in “Journal of dairy science” Dairy cows' skin and hair follicles change size and growth phase around the time they give birth.
December 2022 in “Clinical and experimental dermatology and therapies” Adding the topical gel improved hair growth more than using minoxidil or finasteride alone.
February 2026 in “International Journal of Molecular Sciences” Muscarinic acetylcholine receptors in skin cells help regulate and promote hair growth.
67 citations
,
December 2009 in “International Journal of Dermatology” Hormonal changes in skin may cause stretch marks.
38 citations
,
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.
December 2022 in “Cureus” Adult women with acne in Iraq often have more severe symptoms and hormone-related issues than younger girls with acne.
8 citations
,
January 1989 in “PubMed” Minoxidil did not affect hair growth in newborn mice.
15 citations
,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
32 citations
,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
9 citations
,
September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
25 citations
,
July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Imiquimod cream activates hair follicle stem cells and causes early hair growth by changing immune cells and certain protein expressions.
14 citations
,
July 2021 in “Biomolecules” Centipeda minima extract helps hair grow by activating important growth signals and could be a promising hair loss treatment.
20 citations
,
April 2002 in “PubMed” Mini rats have thinner skin, more fat, and different hair cycles than Wistar rats due to lower growth hormone levels.
Glycogen helps E. coli cells divide unevenly and organize their contents.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
August 1993 in “Journal of Dermatological Science” November 2025 in “Journal of Investigative Dermatology” Alpha-MSH affects mitochondrial function, and MC1R mutations may increase skin aging.
24 citations
,
September 2019 in “Experimental cell research” BMP2 helps hair follicle stem cells become specialized by increasing PTEN, which causes autophagy.
3 citations
,
April 2014 in “Anatomy Research International” Buffalo mammary glands develop in stages from 34 to 229 days during prenatal growth.
55 citations
,
February 1975 in “Journal of Cutaneous Pathology” Dermal cell activity increases during hair growth in rats.
15 citations
,
October 1999 in “British Journal of Dermatology” Collagen remodeling is more active during hair growth stages.