517 citations,
February 2010 in “Materials” Keratin from hair and wool is used in medical materials for healing and drug delivery.
61 citations,
October 1996 in “Development” Hair growth can be stimulated by combining certain skin cells, which can rejuvenate old cells and cause them to specialize in hair follicle creation.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
8 citations,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
23 citations,
December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
1 citations,
April 2024 in “Archives of disease in childhood” Many children and teens referred to gender services receive hormone treatments, but more research is needed on their long-term care and outcomes.