March 2019 in “International Journal of Dermatology” Hairline recession makes Asian males look older, especially in mid-young age; proper hairline position can help them look younger.
July 2024 in “Journal of Investigative Dermatology” Linalool in fragrances may harm hair follicles and contribute to hair loss.
Hydrophobic modifications make human hair less affected by water.
15 citations
,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
9 citations
,
January 1980 in “Dermatology” Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
4 citations
,
December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
The ProScope HR is an effective, user-friendly, and affordable tool for diagnosing hair loss.
30 citations
,
December 2017 in “Clinical, Cosmetic and Investigational Dermatology” Parietal scalp area has lower hair density and smaller hair diameter in women with hair loss.
March 2026 in “Journal of Investigative Dermatology” Folliculin slows hair growth, and blocking it might help treat hair loss.
Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
4 citations
,
June 1990 in “PubMed” Hair protein differences help identify species and individuals in forensic science.
3 citations
,
August 2018 in “Zenodo (CERN European Organization for Nuclear Research)” Human hair follicles have a natural biomagnetic field.
January 2007 in “Linchuang pifuke zazhi” HIF-1α in fibroblasts boosts hair growth and health.
4 citations
,
February 2025 in “Clinical Cosmetic and Investigational Dermatology” Hair affects self-image and well-being, varying by gender, ethnicity, and country.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Linalool in personal care products may contribute to hair loss by damaging hair follicle stem cells and triggering harmful immune responses.
8 citations
,
March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” The near-naked hairless mutation causes hair loss but is not due to a mutation in the hairless gene itself.
39 citations
,
August 2018 in “Scientific reports” Claudin-1 is important for the barrier function and growth of hair.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
December 2011 in “British Journal of Dermatology” As women age, they experience changes in hair density and volume, face challenges in distinguishing normal hair loss from disease, and have limited access to treatments for hair issues.
February 1990 in “PubMed” Higher DHEA-S levels in hirsute females affect hair growth phases.
27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
1 citations
,
January 1993 in “Skin Pharmacology and Physiology” Hair growth drugs and epidermal growth factor do not change the calcium binding site gradient in hair follicles.
Treating hair with 1M sodium hydroxide increases its friction, making it better for small medical knots.
6 citations
,
December 2011 in “Clinical and Experimental Dermatology” A woman developed rare, unexplained curly hair on her scalp and eyelashes.
8 citations
,
January 2007 in “International Society of Hair Restoration Surgery” The forelock approach in hair transplants improves natural appearance by focusing hair density in one area.
23 citations
,
October 2018 in “Australasian Journal of Dermatology” The current understanding of frontal fibrosing alopecia involves immune, genetic, hormonal factors, and possibly environmental triggers, but more research is needed for effective treatments.
12 citations
,
December 2011
5 citations
,
September 2017 in “Colloids and surfaces. B, Biointerfaces” Tying a knot can measure hair friction, useful for medical applications.
July 2015 in “Journal of the Dermatology Nurses’ Association” A 66-year-old woman experienced hair loss due to Frontal Fibrosing Alopecia, a condition with no consistently effective treatment, but it usually stabilizes over time. More research is needed for better understanding and treatment options.