January 2019 in “Journal of Entomology and Zoology Studies” Ruminant goats have larger and more defined hair follicles than younger goats.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
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.
14 citations
,
July 2019 in “Experimental and Molecular Medicine” Nanog gene boosts stem cells, helps hair growth, and may treat hair loss.
11 citations
,
May 1990 in “Journal of Dermatological Science” Diazoxide applied to the skin can increase hair growth without harmful side effects.
August 1994 in “Journal of dermatological science” Cyclosporin A and FK506 can start new hair growth in mice, but ascomycin and rapamycin cannot.
November 2025 in “Wiley Interdisciplinary Reviews Forensic Science” Hair testing is a useful method for detecting past substance use and recent advancements improve its accuracy and reliability.
41 citations
,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
9 citations
,
July 2008 in “Archives of Dermatological Research” 1 citations
,
April 2024 in “Journal of Dermatological Science”
January 2025 in “International Journal of Dermatology Research” Anagen grow may effectively treat hair loss by blocking testosterone and reducing enzyme activity.
11 citations
,
November 2023 in “Journal of Advanced Research” Activating ALDH2 can boost hair growth.
23 citations
,
July 1982 in “International Journal of Dermatology” The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.
10 citations
,
May 2021 in “Clinical, cosmetic and investigational dermatology” UV exposure causes hair thinning, graying, and changes in hair growth cycles in mice.
7 citations
,
May 2018 in “Indian Journal of Pharmacology” Algerian Carthamus caeruleus L plant has anti-inflammatory properties, heals wounds effectively, and may help with hair growth.
130 citations
,
December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle melanocytes die during hair regression.
13 citations
,
January 1993 in “Archives of dermatological research” Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
94 citations
,
July 2003 in “Journal of biological chemistry/The Journal of biological chemistry” EGF controls hair growth by regulating hair follicles' growth phases.
November 2022 in “Journal of Investigative Dermatology” Fish-derived collagen may help hair grow longer and affect hair stem cells, while bovine collagen could benefit hair stem cell maintenance, potentially aiding in hair loss conditions.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Thinner hair follicle structures are linked to non-scar alopecia.
Somatostatin helps hair follicles suppress immune responses, which might aid in treating certain hair loss conditions.
2 citations
,
December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
21 citations
,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” Most hair loss disorders can be accurately diagnosed and treated in an outpatient setting.
9 citations
,
December 1981 in “International Journal of Dermatology” The document concludes that early diagnosis is key for treating common baldness in women, but reassurance is often the best approach as hair thinning can be a normal part of aging.
2 citations
,
March 2015 in “Clinical and Experimental Dermatology” Azathioprine can cause unusual hair loss, which may reverse after stopping the drug.
March 2021 in “CRC Press eBooks” Hair loss without scarring is more common than permanent hair loss with scarring, and is often due to genetic factors.
November 1995 in “Journal of Pediatric Health Care” Most hair loss in kids and teens is due to common conditions, and hair usually grows back within 6 months.