26 citations
,
October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
15 citations
,
December 1994 in “The American Journal of Cosmetic Surgery” Half follicular grafts are not effective for hair transplants.
4 citations
,
January 2025 in “Diagnostics” High-frequency ultrasonography helps diagnose and manage hair and nail disorders safely and effectively.
December 2021 in “Cosmetics” 7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
September 2017 in “Journal of Investigative Dermatology” The research concluded that hyaluronic acid affects the formation and growth of hair follicle-like structures in a lab setting.
3 citations
,
November 2018 in “Hair transplant forum international” Using body hair with scalp hair for hair transplants improves density and coverage in severe hair loss cases.
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.
May 2024 in “Ultramicroscopy” Atomic Force Microscopy is a more accurate way to assess hair damage and the effect of cosmetic treatments.
316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
May 2025 in “American Journal of Veterinary Research” Photobiomodulation did not significantly improve hair density in dogs with alopecia X.
September 2004 in “PubMed” Hair grows in three stages: growing, transition, and resting.
5 citations
,
October 2021 in “Indian Journal of Plastic Surgery” Semiconical blades and coronal slits minimize vascular damage in hair transplants.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
Measuring cortisol in hair can help assess adrenal function in asthmatic children using inhaled corticosteroids.
39 citations
,
June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
19 citations
,
October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
December 2019 in “C&EN Global Enterprise” Thicker hair isn't always stronger.
January 2025 in “British Journal of Dermatology” Long scalp hair evolved for cooling and social signaling.
67 citations
,
July 1985 in “British journal of dermatology/British journal of dermatology, Supplement” Men's thigh hair grows longer and has a longer growth cycle than women's, but arm hair growth is similar between genders.
5 citations
,
April 2005 in “Clinics in Plastic Surgery” Micrografts and minigrafts for hair restoration provide high patient satisfaction and can cover large areas of hair loss, including sideburns, eyebrows, and beards.
February 2022 in “International journal of research in dermatology” The document concludes that proper diagnosis and treatment of hair shaft disorders require understanding their unique causes and avoiding hair-damaging practices.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.
3 citations
,
January 1932 in “New Zealand journal of agriculture”
August 2019 in “Journal of The American Academy of Dermatology” The document concludes that using micropore tape on an 18-gauge needle can control depth in hair restoration surgery, reducing scalp trauma and complications.
4 citations
,
September 2012 in “Journal of Nanoscience and Nanotechnology” Dermoscopy helps dermatologists diagnose different types of hair loss accurately without always needing a biopsy.
28 citations
,
November 2009 in “Journal of Structural Biology” High flux X-ray beams quickly damage the structure of human hair.
12 citations
,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.