115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
61 citations
,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
38 citations
,
June 2017 in “The Journal of Dermatology” Aging in hair follicle stem cells leads to hair graying, thinning, and loss.
1 citations
,
April 2008 in “Pigment Cell & Melanoma Research” Foxn1 is essential for hair pigmentation by directing pigment transfer to hair cells.
1 citations
,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” The meeting presented new findings on hair stem cells, pigmentation, genetics, and modern hair treatment techniques.
January 2013 in “International journal of trichology” Vitamin D3 and its receptor are important for hair growth, and understanding receptors could help treat hair graying and skin cancer.
Good nutrition may help prevent premature hair graying.
39 citations
,
January 2008 in “Journal of Endocrinology” SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
17 citations
,
February 2012 in “Cutaneous and Ocular Toxicology” Patients with chronic renal failure on hemodialysis often have skin problems like dry skin, itching, and nail changes.
10 citations
,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
6 citations
,
January 2016 in “International journal of trichology” Children's hair is more elastic, but tensile strength is similar across different factors.
Acitretin treatment unexpectedly darkened a patient's gray hair.
October 2022 in “Southeast Asian journal of health professionals” Hair greying is seen as a sign of aging; temporary fixes like hair dye are used, but a balanced diet and hair care can help manage it.
May 2009 in “Medical and surgical dermatology/Medical & surgical dermatology” Hair and nail conditions can stabilize or improve over time, and new treatments show promise.
January 2006 in “Yearbook of Dermatology and Dermatologic Surgery” Hair graying is caused by the loss of pigment cells due to poor maintenance of stem cells in the hair follicle.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Aging can lead to poorer scalp and hair health, including less hair and more scalp diseases, which should be managed to help older people feel better.
4 citations
,
November 2009 in “Medical Clinics of North America” Stress, nutritional issues, and chronic diseases can cause hair loss, and nail changes may signal internal diseases; treatment focuses on the underlying cause.
8 citations
,
January 1986 in “The Journal of Dermatologic Surgery and Oncology” Hair loss surgeries like grafts, scalp reductions, and flap rotations can be effective for black men with proper technique adjustments.
April 2012 in “Development” Rac1 is crucial for normal hair structure and pigmentation.
30 citations
,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
130 citations
,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
73 citations
,
December 2015 in “Nature Genetics” Mutations in TBX3 cause horses to have more even hair color instead of Dun camouflage.
47 citations
,
June 1996 in “International Journal of Legal Medicine” Hair analysis for drugs needs a better understanding of how drugs enter hair, considering factors like hair structure and pigmentation.
15 citations
,
February 2015 in “Cell & tissue research/Cell and tissue research” P-cadherin is important for hair growth and health, and its problems can cause hair and skin disorders.
12 citations
,
May 2023 in “EMBO reports” High mTORC1 activity slows hair growth and causes it to lose color.
9 citations
,
July 2022 in “Cell reports” Sox2 controls hair color by affecting pigment production in hair follicles.
4 citations
,
May 2023 in “Pigment Cell & Melanoma Research” BMI1 is essential for preventing hair greying and maintaining hair color.