55 citations
,
November 2010 in “Development” Hair follicles in mutant mice self-organize into ordered patterns within a week.
8 citations
,
April 2001 in “Dermatologic Surgery” Michael L. Beehner proposed a standardized way to describe balding areas on the scalp to help hair restoration experts communicate better.
14 citations
,
August 2012 in “Clinics in Dermatology” In the Middle Ages, European noblewomen intentionally removed forehead hair to be fashionable, showing how beauty standards can affect the perception of hair loss.
31 citations
,
March 2011 in “Dermatologic Surgery” The new hairline classification and correction methods can improve the appearance of Asian women with wide or M-shaped foreheads.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
3 citations
,
September 2018 in “Hair transplant forum international” SHA lowers the hairline quickly and patients are usually happy with the results if they are good candidates.
May 2006 in “Dermatologic Surgery” Most nonbald men's multi-hair follicles are naturally positioned perpendicular to a line from the scalp's crown, which is important for natural-looking hair transplants.
July 2016 in “Journal of Cutaneous Medicine and Surgery” Receding hairlines in men are uneven, with the right side larger than the left.
July 2016 in “Journal of Investigative Dermatology” Balding scalps show different gene expressions affecting hair growth compared to non-balding scalps.
5 citations
,
March 2018 in “Dermatologic Surgery” The study found that most donor sites are good for hairline restoration in Southeast Asian women, but hair characteristics should match for a natural look, and aging can reduce hair density and diameter.
October 2022 in “Facial Plastic Surgery Clinics of North America” Hair restoration surgery, including hairline-lowering and hair transplantation, can effectively treat hair loss and improve appearance in all ethnic groups.
Frizzy hair is fragile and can lead to hair loss and damage if not properly cared for.
4 citations
,
November 2018 in “JAAD case reports” Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
1 citations
,
January 2018 in “Acta dermato-venereologica” A teenager's hair with alternating white and dark bands, known as Pili annulati, is a genetic condition that is usually harmless and often considered attractive.
January 2026 in “JPRAS Open” Sleeping position can influence hairline recession in men with certain hair loss patterns.
May 2016 in “Hair transplant forum international” December 2025 in “JEADV Clinical Practice” A woman with hair loss condition experienced rare hair color return, suggesting it might help diagnose the condition.
10 citations
,
January 2013 in “Actas Dermo-Sifiliográficas” Most white Spanish women have a widow's peak, and their hairline measurements could help in hair restoration surgery.
April 2001 in “Dermatologic Surgery” Michael L. Beehner proposed a standardized naming system for balding scalp areas to help hair restoration surgery.
2 citations
,
March 2024 in “Pediatric Dermatology” Two siblings have a rare hair condition caused by a new genetic variant.
5 citations
,
September 2005 in “Hair transplant forum international” Nature uses midline convergence to make the center of something look denser or thicker.
September 2025 in “International Society of Hair Restoration Surgery” Printable templates improve hair transplant accuracy and efficiency.
April 2026 in “Aesthetic Plastic Surgery”
3 citations
,
May 2006 in “Dermatologic Surgery” Most men's multi-hair follicles naturally stand perpendicular to a line from the top of their head, which is important for natural-looking hair transplants.
November 1995 in “Dermatologic Surgery” The concentric mini-micrografting method is effective for extensive baldness, creating a natural look and efficiently using donor hair.
April 2022 in “Journal of Investigative Dermatology” Androgenetic alopecia causes hair thinning due to increased androgen activity, treatable with minoxidil and finasteride.
November 2023 in “Pakistan Journal of Medical & Health Sciences” Hair transplants improve hairlines and reduce distress from hair loss.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
74 citations
,
January 2013 in “Journal of Investigative Dermatology” Four genetic risk spots found for hair loss, with WNT signaling involved and a link to curly hair.