143 citations
,
May 2007 in “Proceedings of the National Academy of Sciences” Vitamin D receptor is crucial for normal hair growth and preventing hair loss.
37 citations
,
August 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” The vitamin D receptor can regulate genes and affect hair and hormone levels without its usual activator.
21 citations
,
June 2017 in “Journal of Dermatological Treatment” Topical cetirizine improves hair density and thickness in androgenetic alopecia, but more research is needed.
14 citations
,
October 2022 in “Journal of the American Heart Association” Lower testosterone levels may increase heart failure risk in older men.
7 citations
,
August 2023 in “EClinicalMedicine” Anti-androgens can help manage some PCOS symptoms better than metformin but are not more effective than placebos or birth control pills for other symptoms.
7 citations
,
December 2022 in “Plants” Guava leaf extract may help treat hair loss and protect cells by blocking certain genes and fighting damaging molecules.
44 citations
,
November 2022 in “Frontiers in Immunology” TLR-targeted therapies show promise in cancer treatment by helping destroy tumors.
36 citations
,
February 2007 in “Journal of biological chemistry/The Journal of biological chemistry” The vitamin D receptor can work without its usual activating molecule.
3 citations
,
February 2023 in “Journal of Investigative Dermatology” Ch55 may help reduce skin scarring and fibrosis.
October 2025 in “International Journal of Dermatology” GLP-1 receptor agonists may cause hair loss, but regrowth is rare.
7 citations
,
September 2003 in “Journal of Investigative Dermatology” PAR-1 may play a role in hair growth regulation in human hair follicles.
April 2022 in “Indian Journal of Forensic Medicine & Toxicology” PSA can help diagnose high androgen levels in women.
4 citations
,
September 2025 in “Biomolecules” The effect of GLP-1 RAs on erectile function is unclear and needs more research.
4 citations
,
September 2020 in “Journal of Cosmetic Dermatology” PRP treatment significantly increased hair density and thickness in male hair loss.
June 2025 in “Biomolecules” RORA affects hair follicle stem cells' structure and movement, potentially helping treat hair loss.
10 citations
,
September 2020 in “Archives of Dermatological Research” Both methods improve hair density and thickness; double-spin may be more effective.
11 citations
,
January 2015 in “Current problems in dermatology” The conclusion is that treatments like finasteride and minoxidil can prevent baldness progression and improve hair density, but more research is needed on other therapies.
2 citations
,
February 2023 in “BMC endocrine disorders” Curcumin improved some metabolic factors in women with PCOS but did not affect cholesterol, insulin, or testosterone levels.
57 citations
,
October 2018 in “Journal of The American Academy of Dermatology” Platelet-rich plasma treatment can significantly increase hair count and density in men with pattern baldness, and these improvements can last up to 3 months.
33 citations
,
November 2019 in “Journal of Controlled Release” Microneedles with enhancer effectively promote hair growth and increase hair density.
March 2026 in “Cosmetics” Type I collagen, elastin, keratin, ceramides, and melanin improve hair strength, growth, and health.
November 2023 in “Scientific Reports” A gene mutation in Lama3 is linked to a common type of hair loss.
31 citations
,
October 2002 in “Dermatologic Surgery” Minoxidil helps stabilize hair loss, increase density, and reduce shedding after hair transplant surgery.
1 citations
,
June 2024 in “JMIR Dermatology” 675 nm laser therapy effectively improves hair growth and density in AGA patients.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Blue light can help hair grow by affecting certain receptors in hair follicles.
June 2022 in “Journal of Dermatology Research” Using 448-kHz Capacitive-Resistive Electrothermal Therapy can help increase hair density and prevent hair loss in women.
12 citations
,
June 2020 in “Dermatology and therapy” Platelet-Rich Plasma (PRP) can promote new hair growth and increase hair density, but its effectiveness varies depending on the type of hair loss.
13 citations
,
September 2011 in “American Journal of Clinical Dermatology” The oral contraceptive ethinylestradiol/chlormadinone acetate is effective in reducing acne and improving other skin conditions related to high androgen levels.
11 citations
,
April 2017 in “The European Journal of Contraception & Reproductive Health Care” Cyproterone acetate with ethinyl estradiol is effective for treating skin symptoms related to high androgen levels, like in PCOS.
62 citations
,
April 2004 in “Expert Opinion on Pharmacotherapy” Finasteride effectively treats male pattern baldness, improving hair growth and density.