13 citations
,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
2 citations
,
July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
January 2007 in “Durham e-Theses (Durham University)” Hair growth and shedding involve specific cell changes and gene roles.
28 citations
,
December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
10 citations
,
November 2021 in “International journal of molecular sciences” Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.
66 citations
,
October 1999 in “Annals of the New York Academy of Sciences” The Skin POMC System affects hair growth and skin responses to stress.
October 2025 in “Journal of Investigative Dermatology” Hair follicle dermal stem cells help control hair growth timing by regulating signals at the hair germ–dermal papilla interface.
1 citations
,
October 2001 in “Journal of Wood Science” Some extracts from woods and fungi can promote hair growth better than a known hair growth substance.
25 citations
,
August 2017 in “Animal Biotechnology” Researchers found that certain RNA molecules might play a role in the growth of Cashmere goat hair.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
10 citations
,
June 2017 in “Experimental Dermatology” New hair loss treatments have evolved from understanding hair biology and patient needs.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
November 2022 in “Journal of Investigative Dermatology” The fragrance cyclohexyl salicylate helps promote hair growth and increase hair stem cell numbers.
24 citations
,
July 2015 in “Biogeosciences” A fungus is essential for forming and shaping hair ice on dead wood.
5 citations
,
January 1981 Keratin proteins in hair are complex and come from multiple gene families.
February 2023 in “Journal of the European Academy of Dermatology and Venereology” 23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
November 2022 in “Bioengineering” The method can test hair growth products using a lab-made hair-like structure that responds to known treatments.
29 citations
,
February 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Loss of Fz6 disrupts hair follicle and associated structures' orientation.
1 citations
,
August 2020 The Shaven mutation in mice affects hair growth and causes a greasy coat due to abnormal lipid content.
December 2022 in “Communications biology” 2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
April 2017 in “Journal of Investigative Dermatology” Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
January 2026 in “International Journal of Molecular Sciences” S100a4 is key for hair growth in cashmere goats.
Hair follicles can be used to quickly assess drug effects in cancer treatment.
October 2001 in “Science news” Understanding hair growth and loss is complex, involving genetic and molecular factors.
Curly hair may be caused by a muscle contraction, and muscle relaxants might help treat it.