December 2025 in “Preprints.org” Aging dermal papilla cells can be reprogrammed for potential hair growth and skin repair.
August 2022 in “Archives of pediatric surgery” Hair-Thread Tourniquet Syndrome is a rare condition where hair or thread tightly wraps around a child's body part, requiring quick treatment to prevent damage.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
272 citations
,
September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
119 citations
,
November 2016 in “American journal of human genetics” Mutations in three genes cause Uncombable Hair Syndrome, leading to frizzy hair that can't be combed flat.
51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
15 citations
,
June 2019 in “eLife” Activin A and follistatin control when hair cells develop in mouse ears.
2 citations
,
August 2022 in “BMC veterinary research” Hair follicle stem cells from Arbas Cashmere goats can become fat, nerve, and liver cells.
6 citations
,
November 2018 in “American journal of transplantation” UV light helped human hair transplants survive in mice without broad immunosuppression.
Autophagy helps activate hair stem cells and hair growth by changing their energy use to glycolysis.
November 2025 in “Cosmetics” Autologous Micrografting Technology effectively improves hair growth and is a safe, promising option for hair restoration.
May 2025 in “Frontiers in Bioinformatics” Jamogenin from plants may help hair growth and is a potential alternative to finasteride.
130 citations
,
April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
86 citations
,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
Botulinum toxin shows promise for treating scalp sweating but not for hair growth.
3 citations
,
February 2023 in “ACS omega” Grape seed oil improved hair quality the most, followed by rosehip and safflower seed oils, and reduced damage from shampoo.
January 2025 in “Conservation Physiology” Bear hair grows 0.10 to 1.05 mm per day, varying by individual and season.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
November 2023 in “Computational and Structural Biotechnology Journal” A single robotic system can accurately harvest and implant hair grafts, showing promise for real-world use.
9 citations
,
January 2021 in “Biomolecules” Infrared spectral imaging can map hair growth proteins and sugars without staining.
47 citations
,
September 2004 in “Journal of Biological Chemistry” Hoxc13 regulates specific hair protein genes on mouse chromosome 16.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
5 citations
,
June 2023 in “BMC genomics” A specific gene mutation causes long hair in Angora rabbits.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
3 citations
,
November 2021 in “Applied Microscopy” Hair microscopy is a simple and cost-effective method to help diagnose systemic diseases in children.
140 citations
,
December 1998 in “Journal of Investigative Dermatology” Apoptosis in hair follicles varies by growth phase, with TGF-β possibly starting the catagen phase.
18 citations
,
February 2023 in “Plants” Purple glutinous rice extracts can help whiten skin and reduce aging signs.
450 citations
,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
88 citations
,
December 2003 in “Journal of Biological Chemistry” Epiprofin helps cells grow in developing teeth, hair, and limbs.