The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
March 2014 in “CRC Press eBooks” Some nutrients and antioxidants may improve skin and hair health, but more research is needed to confirm these benefits.
January 2014 in “International Journal of Athletic Therapy and training” A female runner's hair loss was caused by stress from surgery and recovery, but her hair returned to normal in 5 months.
November 2008 in “Medical & surgical dermatology” A device was made in 2008 to measure hair loss severity. Other findings include: frizzy mutation in mice isn't related to Fgfr2, C/EBPx marks preadipocytes, Cyclosporin A speeds up hair growth in mice, blocking plasmin and metalloproteinases hinders healing, hyperbaric oxygen helps ischemic wound healing, amniotic membranes heal wounds better than polyurethane foam, rhVEGF165 from a fibrin matrix improves tissue flap viability and induces VEGF-R2 expression, and bFGF enhances wound healing and reduces scarring in rabbits.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
March 2005 in “International Journal of Cosmetic Science” A new method helps understand hair shine and various products improve hair care.
March 2004 in “Journal of The American Academy of Dermatology” Women with lupus experienced non-scarring hair loss with fewer hair follicles, and the test for lupus in hair was not helpful.
June 1997 in “Australasian Journal of Dermatology” Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.
April 2024 in “Jurnal Agroindustri Halal/Jurnal agroindustri halal” The hair tonic with the highest seaweed extract content showed the best hair growth results.
June 2023 in “Journal of Pharmaceutical and Health Research” Caffeine hair tonic with 0.001% concentration was more effective in promoting hair growth on guinea pigs.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
Forensic hair analysis for drugs is now more reliable and accurate.
Tissue from dog stem cells helped grow hair in mice.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
June 2018 in “Advances in Cosmetic Surgery” Hair loss caused by genetics and hormones; more research needed for treatments.
January 2017 in “Springer eBooks” Scientists made working hair follicles using stem cells, helping future hair loss treatments.
122 citations,
May 2010 in “Plant Physiology” Different PIN proteins affect plant root hair growth by changing how auxin is transported.
75 citations,
October 2002 in “Journal of Dermatological Science” Sophora flavescens extract may help hair grow by affecting growth factors and blocking a hair-related enzyme.
64 citations,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
56 citations,
December 2011 in “The Plant Journal” AGD1 is important for root hair development in Arabidopsis, working with phosphoinositide signaling and the actin cytoskeleton.
42 citations,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
35 citations,
February 2012 in “Journal of The American Academy of Dermatology” Finasteride significantly improves hair growth but may cause sexual side effects.
33 citations,
February 2016 in “Journal of Experimental Botany” ROOT HAIR SPECIFIC 10 (RHS10) reduces the length of root hairs in Arabidopsis plants.
26 citations,
October 2017 in “Scientific reports” A special microbe helps plants absorb rock phosphate by growing on their root hairs.
21 citations,
April 2016 in “International Journal of Dermatology” Metabolic syndrome linked to female hair loss; waist size and high blood pressure important factors.
20 citations,
June 2008 in “PubMed” Finasteride 1 mg helps prevent more hair loss in men with male pattern baldness.
16 citations,
April 2017 in “ACM Transactions on Graphics” Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.
13 citations,
January 2012 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
12 citations,
February 2018 in “Food and chemical toxicology” Permanent hair dye mixtures can irritate and damage the skin.
11 citations,
June 2017 in “Journal of cell science” AGD1's PH domain is essential for its role in root hair growth and polarity.