33 citations
,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
30 citations
,
October 2010 in “Journal of The American Academy of Dermatology” The conclusion suggests a possible link between iron levels and hair health in women, recommending further research on iron supplementation for hair loss.
13 citations
,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
7 citations
,
June 2021 in “Cell Proliferation” Low oxygen levels improve the function of hair and skin cells when they are in direct contact.
1 citations
,
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” mTORC1 activity is important for hair growth and color, and targeting it could help treat hair loss and greying.
March 2026 in “International Journal of Research and Review” Rosmarinus officinalis tincture significantly improves hair volume and density.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
24 citations
,
April 2017 in “Journal of Investigative Dermatology” Age, smoking, and lower BMI increase facial wrinkles; men wrinkle more than women, except in old age; pale skin and certain hormonal factors can protect against wrinkles.
9 citations
,
August 2017 in “Photochemistry and Photobiology” Red light at 627 nm can safely trigger IL-4 release in skin cells, potentially helping treat inflammatory skin conditions.
44 citations
,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
31 citations
,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
27 citations
,
March 2012 in “Dermatologic Surgery” Higher caspase-1 levels found in balding scalps; reducing it may help treat hair loss.
19 citations
,
November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
15 citations
,
January 2015 in “Skin Pharmacology and Physiology” Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” Examining Survivin levels may help understand premature greying of hair.
January 2025 in “International Journal of Pharmacognosy and Clinical Research” The herbal scalp serum may help hair growth by reducing DHT levels.
248 citations
,
December 2011 in “Journal of Neuroscience” Neurosteroids are crucial for stress response, and targeting specific receptors may help treat certain disorders.
234 citations
,
December 1996 in “Journal of The American Academy of Dermatology” Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.
158 citations
,
August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.
47 citations
,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
46 citations
,
April 2016 in “Journal of Investigative Dermatology” New genes found linked to balding, may help develop future treatments.
25 citations
,
June 2018 in “Clinical and Experimental Dermatology” Combined microneedling and minoxidil improves hair growth more than minoxidil alone.
14 citations
,
February 2020 in “Scientific reports” Telocytes in the scalp may help with skin regeneration and maintenance.
11 citations
,
November 2015 in “Skin Research and Technology” Women's hair grows faster and thicker than men's, but hair growth slows for both genders with pattern hair loss.
7 citations
,
November 2011 in “Skin Research and Technology” The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.
3 citations
,
April 2021 in “Journal of Medicinal Chemistry” Finasteride may affect PNMT, causing side effects.
2 citations
,
July 2018 in “Elsevier eBooks” Trichoscopy is a useful tool for diagnosing and managing hair and scalp conditions, often better than traditional methods.
April 2019 in “Journal of Investigative Dermatology” Caffeine can protect scalp hair follicles from damage caused by UV radiation.