November 2022 in “Journal of Investigative Dermatology” Growth hormone-releasing hormone (GHRH) boosts hair growth and human scalp hair follicles have their own growth hormone system.
September 2022 in “The American journal of dermatopathology/American journal of dermatopathology” A patient with a thick scalp and hair loss was correctly diagnosed with alopecia areata and a thick scalp fat layer, not lipedematous alopecia, and regrew hair after treatment.
May 2022 in “Hair transplant forum international” Hair restoration should include the parietal eminence area for better balance in frontal and lateral profiles and to improve the head's contours.
April 2021 in “Journal of Investigative Dermatology” The research found genes that may protect certain scalp cells from hair loss.
A hair transplant using hair from the back of the head and pubic area was successful in creating a feminine hairline for a male-to-female transgender person.
September 2019 in “Journal of Investigative Dermatology” Dermal Papilla Cells grown in 3D and with stem cells better mimic natural hair growth conditions than cells grown in 2D.
April 2018 in “Journal of Investigative Dermatology” Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
Different scalp and hair disorders are more common in certain ethnic groups, with the most common being androgenetic alopecia, which is treated with medications like minoxidil and finasteride.
January 2017 in “Turkiye Klinikleri Journal of Dermatology” A 9-month-old baby had a rare, persistent ring-shaped hair loss condition.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
February 2010 in “Journal of the American Academy of Dermatology” Activating cAMP and ATP improves hair growth and strength.
Low doses of certain Chinese herbs can promote hair growth, while high doses may inhibit it.
January 2022 in “Journal of Cosmetic Dermatology” Placebo effects vary in hair loss trials, with split-scalp trials showing higher hair density after 6 months compared to whole-head trials.
January 1981 in “Springer eBooks” 234 citations,
December 1996 in “Journal of The American Academy of Dermatology” Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.
124 citations,
April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
81 citations,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
61 citations,
October 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The document concludes that accurate diagnosis is crucial for effectively treating common scalp disorders, which often have similar symptoms.
55 citations,
October 2003 in “Dermatologic Clinics” Different hair care practices and conditions affect African American hair and scalp health, requiring specialized knowledge for treatment.
51 citations,
October 2002 in “Archives of dermatology” The document does not conclude the effectiveness of the 800-nm pulsed-diode laser for treating scalp cellulitis.
47 citations,
July 1967 in “Science” Not eating enough protein can cause hair roots to shrink and lose color, and hair to become thinner.
46 citations,
June 2018 in “American Journal of Clinical Dermatology” Hair loss is common in lupus patients and can be permanent or reversible, depending on the type, with various treatments available.
45 citations,
January 2015 in “Dermatology” Hair loss in secondary syphilis is more common than thought and can be reversed with antibiotics.
44 citations,
August 2010 in “Lupus” Lupus can affect the scalp and nails, often causing hair loss and nail damage, and needs early aggressive treatment to prevent permanent damage.
44 citations,
March 2004 in “Journal of Investigative Dermatology” The effects of estrogen on human hair growth are unclear and need more research.
43 citations,
November 2007 in “Journal of Investigative Dermatology Symposium Proceedings” The document concludes that proper diagnosis and treatment of common scalp disorders are important for both physical and psychological health.
36 citations,
January 2012 in “Dermatology” Stopping gefitinib improved scalp condition in a woman with lung cancer.
36 citations,
April 2005 in “British journal of dermatology/British journal of dermatology, Supplement” Radiation therapy is an effective treatment for severe scalp cellulitis with mild side effects and no long-term complications.
31 citations,
February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.