31 citations,
January 1989 in “Clinical and Experimental Dermatology” The study tested a hair treatment and found it can help grow hair, but won't stop baldness. It's safe and works well, but needs more testing.
March 2015 in “Plastic and reconstructive surgery” Human skin has multiple layers and functions, with key roles in protection, temperature control, and appearance.
17 citations,
October 2017 in “Scientific reports” Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.
12 citations,
January 2021 in “International Journal of Biological Sciences” Scientists successfully edited a goat's genes to grow more and longer cashmere hair.
20 citations,
September 2019 in “Nanomaterials” A portable device can create nanofibers to improve the appearance of thinning hair better than commercial products.
20 citations,
June 2014 in “BMC genomics” Poplar seed hairs grow from the placenta at the ovary base, with endoreduplication playing a key role in their development, and share similar cellulose synthesis processes with cotton fibers.
6 citations,
May 2020 in “Scientific reports” Researchers identified genes and proteins that may influence wool thickness in sheep.
45 citations,
June 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Silicon can improve skin and hair health, but more research is needed.
6 citations,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
February 2024 in “Skin health and disease” Exosomes could improve skin and hair treatments but are limited by cost, production difficulty, and need for more research.
29 citations,
October 2017 in “Journal of proteomics” The research found specific proteins that affect fiber characteristics and hair growth in sheep and goats.
22 citations,
July 2012 in “Journal of integrative agriculture/Journal of Integrative Agriculture” Hoxc13 is linked to seasonal hair growth in Cashmere goats and is affected by melatonin.
January 2012 in “Methods in pharmacology and toxicology” Hair follicle culture helps study hair growth but has limitations in modeling the full hair cycle.
March 1998 in “Journal of Dermatological Science” Combining RU58841 and minoxidil significantly increases hair growth.
759 citations,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
109 citations,
October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
18 citations,
November 2010 in “Journal of morphology” Antler velvet hair and body hair of red deer have different structures that help with protection and insulation.
5 citations,
January 2016 in “Genetics and Molecular Research” Researchers found 617 genes that behave differently in cashmere goat hair follicles, which could help understand hair growth.
5 citations,
January 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
Good nutrition may help prevent premature hair graying.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
91 citations,
May 2003 in “American Journal of Pathology” Prolactin affects hair growth cycles and can cause early hair follicle regression.
87 citations,
July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
79 citations,
January 2017 in “Dermatology practical & conceptual” Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.
59 citations,
August 2003 in “Phytotherapy Research” Ginseng, especially red ginseng, helps hair grow by increasing blood flow and energy to hair roots.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
42 citations,
September 2015 in “Gene” FGF5s can block the effects of FGF5, which may help control hair growth in cashmere goats.
27 citations,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
25 citations,
August 2017 in “Animal Biotechnology” Researchers found that certain RNA molecules might play a role in the growth of Cashmere goat hair.
19 citations,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.