April 2025 in “Journal of Cosmetic Dermatology” Azathioprine is a safe and effective long-term treatment for severe alopecia areata, significantly improving hair regrowth.
January 2025 in “Journal of Cutaneous Immunology and Allergy” Baricitinib is effective for treating severe alopecia areata in Japanese patients, but long-term safety needs more study.
November 2024 in “SKIN The Journal of Cutaneous Medicine” Patients with anxiety or depression report more severe alopecia areata.
September 2024 in “Journal of the American Academy of Dermatology” Baricitinib maintains significant hair regrowth in severe alopecia areata over three years.
April 2024 in “Journal of cosmetic dermatology” Minoxidil is less effective on eyebrows and eyelashes than scalp hair because these areas have lower enzyme activity needed to activate the drug.
January 2023 in “Journal of The American Academy of Dermatology” Baricitinib helped most teenagers with severe hair loss regrow hair and had mild side effects.
March 2014 in “Journal of The American Academy of Dermatology” Mycophenolic acid may help hair growth, a combination treatment improves hair thickness in male hair loss, and early treatment of frontal fibrosing alopecia is important.
4 citations
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January 2020 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” 2% Minoxidil effectively improves eyebrow hair growth and thickness.
January 1999 in “Hair transplant forum international” The expected density of a hair transplant depends on the number of hair follicles transplanted and the thickness of the hair.
2 citations
,
March 2009 in “Hair transplant forum international” Men generally have a certain thickness of hair at their hairline.
11 citations
,
May 1998 in “Hair transplant forum international” The debate over density remains unresolved.
4 citations
,
July 2019 in “Journal of cosmetic dermatology” Both 0.01% and 0.03% bimatoprost safely improve eyebrow fullness, with a patient preference for the 0.03% concentration.
February 2026 in “Journal of Cosmetic Dermatology” A new reliable scale improves accuracy in measuring hair density and treatment response.
March 2017 in “Hair transplant forum international” Asian men have varying hair densities, important for hair transplant success.
19 citations
,
February 2013 in “The American Journal of Dermatopathology” Nonscarring alopecia has higher hair density than scarring alopecia, and hair density can help diagnose the type of alopecia.
April 2020 in “Journal of Cosmetic and Laser Therapy” Optimal transplant density for Chinese male hair loss patients is 35-50 hair/cm², with minimum 106.88 hair/cm² left in donor area for esthetic satisfaction.
1 citations
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May 2016 in “Hair transplant forum international” The best dot density for scalp tattoos gives women with hair loss a natural look and high satisfaction.
9 citations
,
January 2018 in “Hair transplant forum international” Researchers concluded that safe hair follicle extraction limits in FUE vary by individual characteristics and proposed a method to calculate these limits to maintain appearance.
32 citations
,
September 1997 in “Dermatologic Surgery” Mini-micrografting in hair transplants can give similar density to older methods with fewer sessions.
January 1996 in “대한피부과학회지” High Demodex mite density may be linked to sebaceous hyperplasia.
31 citations
,
December 2017 in “Skin Appendage Disorders” Caucasians have the highest hair density, followed by Hispanics, with the lowest in individuals of African descent.
February 2021 in “Journal of the Korean Ophthalmological Society” A 7-year-old girl had unusually long eyelashes with no known cause or related health issues.
4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
1 citations
,
August 2024 in “Journal of Cutaneous and Aesthetic Surgery” Hair density decreases with age, especially in the 60s.
2 citations
,
February 2020 in “Journal of Plastic Surgery and Hand Surgery” Good-looking donor sites for hair transplants usually have higher hair density and thicker hair.
1 citations
,
August 2008 in “Dermatologic Surgery” High-density hair transplants can have high survival rates with improved techniques, but lower densities might also give good results.
April 2025 in “British Journal of Dermatology” Age, sex, BMI, menopause, and specific genes affect hair density in East Asians.
2 citations
,
December 1999 in “Dermatologic Surgery” Achieving original hair density with transplants is unrealistic; skilled practitioners are essential for the best results.
1 citations
,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
28 citations
,
December 2007 in “Archives of ophthalmology” Lash ptosis is more common and severe in people with congenital eyelid droop than in those with acquired eyelid droop or without eyelid droop.