51 citations,
October 2002 in “British Journal of Dermatology” Finasteride increases hair density in female androgenetic alopecia, but individual results may vary.
44 citations,
October 2011 in “Gynecological Endocrinology” Menopause significantly reduces skin collagen, leading to thinner, less elastic skin, and hormone replacement may help but requires careful consideration.
42 citations,
February 2017 in “Scientific Reports” Researchers found a way to create cells from stem cells that act like human cells important for hair growth and could be used for hair regeneration treatments.
40 citations,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
40 citations,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
36 citations,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
35 citations,
February 2006 in “Textile Research Journal” Enzymes xylanase and pectinase clean wool and specialty hair fibers effectively without damage, offering an eco-friendly alternative to soap and hot water.
31 citations,
May 2012 in “European Journal of Dermatology” Menopause affects hair and skin; more research needed for treatment.
21 citations,
October 2018 in “European Journal of Pharmacology” Chemotherapy can cause brain inflammation and damage, and understanding this process could help manage side effects.
20 citations,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
19 citations,
May 2021 in “Clinical epidemiology and global health” Better awareness of chemotherapy's side effects improves self-care.
19 citations,
July 2018 in “ACS biomaterials science & engineering” Bleaching and combing damage hair's surface and mechanical properties.
19 citations,
October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
17 citations,
June 2019 in “BMC genomics” Non-coding RNAs help control hair growth in cashmere goats.
14 citations,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
14 citations,
August 2016 in “Journal of nanomedicine research” Zinc oxide nanoparticle biscuits improved growth and health in zinc-deficient rats without toxicity.
12 citations,
May 2001 in “British journal of dermatology/British journal of dermatology, Supplement” A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.
11 citations,
July 2021 in “Sustainability” Concrete made from animal bones and human hair is stronger and more environmentally friendly than traditional concrete.
11 citations,
April 2015 in “International Journal of Cosmetic Science” Adenosine helps grow thicker hair in Japanese men with hair loss.
11 citations,
September 1992 in “Journal of pineal research” Immunizing goats against melatonin can temporarily change their cashmere growth cycles and increase fleece production.
10 citations,
May 2020 in “Dermatology Research and Practice” Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.
10 citations,
June 2019 in “International Journal of Cosmetic Science” Some plant-based chemicals may help with hair growth, but more research is needed to confirm their effectiveness.
8 citations,
January 2015 in “Genetics and molecular research” Researchers found four key proteins that affect the development of a specific hair type in Yangtze River Delta white goats.
8 citations,
July 2011 in “Animal science journal” Keratin 33A is a key protein in goat winter coats, especially in high-producing breeds.
7 citations,
March 2018 in “Asian-Australasian journal of animal sciences” OCIAD2 and DCN genes affect hair growth in goats by having opposite effects on a growth signaling pathway and inhibiting each other.
7 citations,
June 2017 in “Omics” The study developed a method to analyze ancient hair proteins using very small samples.
7 citations,
September 2014 in “European Journal of Dermatology” Thicker hair grows faster; hair loss patients have slower growth.
6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
6 citations,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
5 citations,
January 2020 in “Skin Research and Technology” Minoxidil 5% works better than 2% for hair growth in male-patterned hair loss.