August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
February 2023 in “Laboratory Animal Research” Cudrania tricuspidata and Sargassum fusiforme extracts improved hair growth in mice by affecting growth-related genes.
234 citations,
November 2009 in “American journal of human genetics” Common variants in the Trichohyalin gene are linked to straight hair in Europeans.
94 citations,
July 2003 in “Journal of biological chemistry/The Journal of biological chemistry” EGF controls hair growth by regulating hair follicles' growth phases.
80 citations,
April 2006 in “Clinical Interventions in Aging” Minoxidil and Finasteride are effective for male baldness; more research is needed for hair aging treatments.
67 citations,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
64 citations,
January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
63 citations,
February 2017 in “ACS biomaterials science & engineering” Polydopamine is a safe, effective, and permanent hair dye that turns gray hair black in one hour.
44 citations,
July 2016 in “Stem Cells Translational Medicine” Scientists discovered that certain stem cells from mice and humans can be used to grow new hair follicles and skin glands when treated with a special mixture.
39 citations,
June 2019 in “Nanomaterials” Nanotube-based hair treatments could improve hair health and growth, and offer long-lasting effects.
37 citations,
June 2019 in “Stem cells” Special particles from skin cells can promote hair growth by activating a specific growth signal.
34 citations,
June 2005 in “Developmental dynamics” Runx3 helps determine hair shape.
33 citations,
February 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” IGF-1 increases whisker growth in transgenic mice.
28 citations,
October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
25 citations,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
19 citations,
April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
14 citations,
May 2017 in “InTech eBooks” Hair is important for protection, social interaction, and temperature control, and is made of a growth cycle-influenced follicle and a complex shaft.
13 citations,
July 2017 in “Biopolymers” Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.
12 citations,
October 2018 in “Biotechnology reports” Recombinant keratin K31 makes damaged hair thicker, stronger, and straighter.
11 citations,
May 2012 in “Genesis” Bmpr2 and Acvr2a receptors are crucial for hair retention and color.
9 citations,
January 2017 in “Elsevier eBooks” Skin's epithelial stem cells are crucial for repair and maintenance, and understanding them could improve treatments for skin problems.
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.
7 citations,
December 2021 in “Pharmaceutics” Natural products like plant extracts can help promote hair growth and could be used to treat hair loss.
5 citations,
January 2018 in “International Journal of Trichology” Hair strength is similar across different scalp areas, and not affected by age, gender, or hair thickness.
3 citations,
November 2021 in “Applied Microscopy” Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.
3 citations,
December 2019 in “Biomaterials Research/Biomaterials research” Calcium and magnesium in hair increase with age and are higher in adult women.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
January 2024 in “Journal of cosmetic dermatology” Silibinin-loaded micelles significantly protect hair from UV-B damage.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.