12 citations,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
113 citations,
March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
34 citations,
June 2005 in “Developmental dynamics” Runx3 helps determine hair shape.
77 citations,
March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
60 citations,
October 2005 in “Experimental Dermatology” Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.
30 citations,
June 2006 in “British journal of dermatology/British journal of dermatology, Supplement” Oral zinc sulphate reduces dark hair color in mice.
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.
1 citations,
May 2006 in “Expert Opinion on Therapeutic Patents” No FDA-approved treatments for chemotherapy-induced hair loss existed in 2006; more research was needed.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
Nanocarriers with plant extracts show promise for safe and effective hair growth treatment.
5 citations,
January 2010 in “The anatomical record” Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.
45 citations,
December 2009 in “Veterinary dermatology” The book is recommended for its new scientific information and balanced treatment options for hair loss in domestic animals.
1 citations,
April 2023 in “International journal of molecular sciences” Certain skin proteins can form anchoring structures without the protein AMACO.
6 citations,
June 2016 in “The anatomical record” Dogs have varying numbers of touch-sensitive Merkel cells in different skin areas, with most in the oral mucosa and facial skin, unrelated to age, sex, breed, or color.
August 2015 in “Advances in Small Animal Medicine and Surgery” Low-level laser therapy may help regrow hair in dogs with non-inflammatory hair loss.
51 citations,
November 2005 in “Journal of Medical Primatology” Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.
29 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
7 citations,
April 1995 in “Endocrinology” Finasteride doesn't affect bone density in male rats.
June 2023 in “Animal Bioscience” Vimentin and transthyretin proteins are linked to black coat color in sheep.
28 citations,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
November 2016 in “Zoo biology” Adding more vegetables and fruits improved capybaras' coat quality and health.
15 citations,
July 2008 in “Journal of Dermatological Science” Ephrin-A3 helps increase and speed up hair growth in baby mice.
October 2023 in “Animal production science” Vitamin A deficiency changes cattle hair structure, while pregnancy may improve it, suggesting hair can indicate cattle health.
36 citations,
December 2012 in “Dermatologic Surgery” Injecting platelet-rich plasma (PRP) can increase hair growth rate and density in male pattern baldness.
70 citations,
February 2017 in “Dermatologic Surgery” Treatment with plasma rich in growth factors improved hair density and thickness for hair loss patients.
58 citations,
January 2020 in “International Journal of Molecular Sciences” Different methods of preparing Platelet-Rich Plasma (PRP) can affect wound healing and hair regrowth in plastic surgery. Using a kit with specific standards helps isolate PRP that meets quality criteria. Non-Activated PRP and Activated PRP have varying effects depending on the tissue and condition treated. For hair regrowth, Non-Activated PRP increased hair density more than Activated PRP. Both treatments improved various aspects of scalp health.
52 citations,
May 2017 in “Journal of Cosmetic Dermatology” PRP injections improve hair density and thickness in women with hair loss.
41 citations,
January 2020 in “BioMed Research International” Micrografts improve hair density and thickness without side effects.
23 citations,
June 2018 in “Facial Plastic Surgery” Platelet-Rich Plasma (PRP) is a low-risk treatment for Androgenic Alopecia (AGA) that generally improves hair count or density, but more research is needed for optimization.
20 citations,
April 1999 in “British journal of plastic surgery” Ruby laser hair removal significantly reduces hair density.