August 2016 in “Journal of Investigative Dermatology” Dutasteride improved hair density and thickness in men not helped by finasteride, with minimal side effects.
77 citations
,
June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
July 2011 in “Springer eBooks” The document concluded that FDA-approved treatments like minoxidil and finasteride are effective for hair loss, while the effectiveness of natural remedies and other non-approved treatments is not well-supported by evidence.
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.
49 citations
,
February 2019 in “The Journal of Clinical Endocrinology and Metabolism” Use "female pattern hair loss" term, assess androgen excess, treat with minoxidil and other medications if needed.
2 citations
,
October 2015 in “Primary Care: Clinics in Office Practice” Doctors should diagnose hair loss by examining the patient and possibly doing tests, and then treat it based on the type, which may prevent permanent hair loss.
November 2025 in “Cosmetics” Centella asiatica with growth factors improves hair and scalp health.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
37 citations
,
January 2000 in “International Journal of Pharmaceutics” Topical treatments can regrow hair on bald scalps.
11 citations
,
February 2019 in “Stem cells international” Skin-derived stem cells grow faster and are easier to obtain than hair follicle stem cells, but both can become various cell types.
47 citations
,
December 2020 in “Journal of the European Academy of Dermatology and Venereology” The document concludes that understanding and treating hair loss requires recognizing its various types and using appropriate diagnostic tools and treatments.
9 citations
,
June 2017 in “Journal of Cutaneous Pathology” People with pemphigus vulgaris and pemphigus foliaceus often have smaller sebaceous glands on their scalp.
5 citations
,
April 2021 in “Journal of Endocrinological Investigation” Higher DHT levels are linked to fewer hypogonadism symptoms in men with normal testosterone levels.
January 2026 in “International Journal of Science and Research Methodology” Bhangra may help treat premature greying of hair by boosting melanin and improving scalp health.
7 citations
,
December 2021 in “Archives of Dermatological Research” Adiponectin reduces hair pigmentation and affects hair growth signals.
August 2021 in “Asian Journal of Pharmaceutical and Clinical Research” Plant extracts in shampoo improved hair thickness and density in men with hair loss.
51 citations
,
January 1989 in “Journal of Investigative Dermatology” Men with male-pattern baldness have more androgen receptors in their scalp's oil glands, which may contribute to hair loss.
8 citations
,
September 2016 in “Asian journal of beauty & cosmetology” Dendropanax morbifera leaf extract could be good for hair growth and cosmetic products because of its antioxidant properties and growth factor effects.
May 2026 in “International Journal of Drug Delivery Technology” Herbs like hibiscus, onion, and aloe vera may help hair growth and are good alternatives to conventional treatments.
1 citations
,
February 2022 Lavender scent in shampoo can relax and help with memory, while geranium scent can make you more alert and improve memory.
Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
February 2024 in “Malahayati Nursing Journal” High androgen levels can cause hirsutism and increase inflammation.
81 citations
,
September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
51 citations
,
March 1986 in “Acta Dermato Venereologica” Alopecia patients had similar element levels to normal people, except for differences in copper and low selenium.
January 2026 in “Journal of Trace Elements in Medicine and Biology” Dogs have more iron and copper in their hair than cats, and outdoor animals have higher iron levels.
3 citations
,
April 2023 in “Journal of Veterinary Internal Medicine” Dogs with epilepsy have different hair mineral levels than healthy dogs, possibly due to epilepsy or its treatment.
12 citations
,
April 2020 in “British Journal of Dermatology” Caffeine may help reduce stress-induced hair loss.
10 citations
,
April 1995 in “Animal Science/Animal science” Melatonin implants can change the seasonal prolactin levels and hair growth in adult cashmere goats but not in juveniles, and don't delay spring moult for better fiber harvesting.
2 citations
,
September 2023 in “Cosmetics” Cannabinoids may help some skin conditions but more research is needed.
29 citations
,
January 1963 in “PubMed”