July 1998 in “Dermatologic Surgery” Various techniques and tools for hair restoration were presented in 1998, including a mathematical model for donor area, use of lasers in surgery, methods for controlling grafted hair direction, and ways to increase graft yield. Satisfaction rates were around 39%, and studies showed trauma and dehydration can damage hair follicles.
May 1993 in “Medical Clinics of North America” Surgical hair replacement is a viable option for male pattern baldness when done with proper planning and realistic expectations.
December 2025 in “Frontiers in Medicine” Biofibre ® 4.0 hair implants are safe and satisfy most patients with hair loss.
February 2002 in “Dermatologic Surgery” Best hair transplant results happen when tissues are least damaged.
December 2023 in “International Journal of Medical Arts” Transplanted hair follicles show significant changes after FUE, needing more research.
14 citations
,
December 2020 in “Journal of Investigative Dermatology” Aging causes changes in the scalp that can affect hair growth and lead to older-looking hair in women.
6 citations
,
September 2009 in “European journal of histochemistry” CD90 is present on specific cells in dog hair follicles.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
36 citations
,
July 2019 in “Journal of Materials Science Materials in Medicine” Human hair keratin helps repair nerve damage in rats.
33 citations
,
February 2016 in “Journal of Experimental Botany” ROOT HAIR SPECIFIC 10 (RHS10) reduces the length of root hairs in Arabidopsis plants.
23 citations
,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” FPHL causes hair loss in women due to genetics and hormones; minoxidil and anti-androgens are treatments, and early intervention is advised.
20 citations
,
January 2021 in “Plants” High energy boosts root hair growth in plants, while low energy stops it.
11 citations
,
September 2011 in “Biochemical journal” Neurotrophin-4 increases calcium current in specific mouse neurons through the PI3K pathway.
8 citations
,
July 2022 in “Frontiers in plant science” pH changes are crucial for root hair growth because they affect enzymes and proteins that control the cell wall and growth.
8 citations
,
November 2019 in “Journal of Natural Fibers” Adding human hair to clayey soil makes it stronger, even after freeze-thaw cycles, and is eco-friendly and cheap.
2 citations
,
June 2021 in “Notulae Botanicae Horti Agrobotanici Cluj-Napoca” More research is needed to understand how nutrients affect root hair growth.
Human hair follicle stem cells improved memory and brain health in rats.
March 2022 in “Indian Journal of Animal Research” Dog hair follicle stem cells can turn into fat cells.
January 2006 in “mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich)” Cattle hair isotope analysis can reveal diet and farm system characteristics.
1 citations
,
December 2022 in “Journal of applied biological chemistry” TRP-hair essence protects hair from heat damage, maintains color, and strengthens hair.
Some plant-based ingredients may help with hair growth and care, but more research is needed to confirm their effectiveness.
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.
February 2026 in “The European Physical Journal E” Root hair growth mechanics depend on turgor pressure and cell wall properties.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
March 2024 in “International Research Journal of Modernization in Engineering Technology and Science” 3D-printed hair is safe, eco-friendly, and better than natural or synthetic hair.
41 citations
,
July 2020 in “Colloids and surfaces. B, Biointerfaces” Different hair protein amounts change the strength of keratin/chitosan gels, useful for making predictable tissue engineering materials.
34 citations
,
October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
6 citations
,
March 2016 in “PLoS ONE” The patient's hair was thinner and had fewer lipids due to a genetic mutation.