Hair loss can cause significant social and emotional issues, especially for women and young men.
1 citations,
April 2024 in “Science Advances” Female cuckoo color differences are linked to their unique genes and help avoid male harassment.
August 2023 in “Journal of Cosmetic Dermatology” Higher concentration of botulinum toxin A is safe and effective for treating hair loss in men and women.
231 citations,
October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
91 citations,
February 2009 in “Journal of biological chemistry/The Journal of biological chemistry” DGAT1 enzyme is crucial for healthy skin and hair by regulating retinoid levels.
70 citations,
February 2016 in “EMBO reports” Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.
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.
12 citations,
April 2019 in “Scientific Reports” A protein called HMGB1 helps hair grow by affecting prostaglandin metabolism.
6 citations,
May 2021 in “Aesthetic Surgery Journal” Higher cell number PRP improves hair density and diameter more than lower cell number PRP.
October 2023 in “Biomaterials” Nanotechnology could improve hair regrowth but faces challenges like complexity and safety concerns.
Taller men are seen as more attractive, and hair loss negatively affects attractiveness.
Men with hair loss are seen as less attractive and shorter, and height is a key factor in attractiveness ratings.
40 citations,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
15 citations,
June 2019 in “eLife” Activin A and follistatin control when hair cells develop in mouse ears.
2 citations,
September 2020 in “Biomedical materials” Recombinant keratin materials may better promote skin cell differentiation than natural keratin.
May 2018 in “Journal of Investigative Dermatology” Activating Wnt in skin cells controls the number of hair follicles by directing cell movement and fate.
28 citations,
January 2011 in “Hearing Research” Gene therapy, especially using atoh1, shows promise for creating functional sensory hair cells in the inner ear, but dosing and side effects need to be managed for clinical application.
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Too much β-catenin activity can mess up the development of mammary glands and make them more like hair follicles.
271 citations,
September 2008 in “Nutrition reviews” Vitamin D receptor interacts with certain dietary components to help prevent diseases and regulate hair growth.
4 citations,
March 2020 in “Cutaneous and ocular toxicology” Wen by Chaz Dean Sweet Almond Mint Cleansing Conditioner is better tolerated than salicylic acid and baby shampoos.
1 citations,
August 1995 in “Archives of Disease in Childhood” Minoxidil helped a boy regrow his hair after intense chemotherapy for leukaemia.
4 citations,
May 2019 in “Skin Research and Technology” Finasteride helps hair growth but stopping it causes faster hair loss.
194 citations,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
152 citations,
January 2004 in “Current anthropology” Humans lost body hair relatively recently in evolution.
47 citations,
September 2015 in “Cell Cycle” Different skin stem cells help heal wounds, with hair follicle cells becoming more important over time.
April 2018 in “Journal of Investigative Dermatology” Arrector pili muscle regulates hair follicle stem cells, DNA methylation needed for hair cycling, and Wnt/B-catenin signaling starts hair growth.
42 citations,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
1 citations,
September 2003 in “Journal of the Royal Society of Medicine” The book is a detailed guide on hair and scalp diseases, useful for dermatopathologists.
Human hair keratins can be turned into useful 3D biomedical scaffolds through a freeze-thaw process.
April 2018 in “Journal of Investigative Dermatology” Obesity can weaken the skin's ability to fight infections because fat cells stop and reduce the infection-fighting properties of nearby stem cells.