December 2022 in “Kristu Jayanti Journal of Core and Applied Biology (KJCAB)” Scalp hair characteristics vary across different regions of India and can help identify a person's origin.
3 citations,
July 2019 in “Experimental Dermatology” Hair loss patients may have different polyamine levels in various scalp areas.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.
19 citations,
September 2014 in “British Journal of Dermatology” Minoxidil foam 5% effectively treats hair loss in both frontal and vertex scalp regions.
October 2024 in “Journal of Cutaneous and Aesthetic Surgery” Including the parietal eminence in hair transplants improves scalp appearance and balance.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.
9 citations,
August 2014 in “The Journal of Dermatology” Scalp areas that look normal in people with hair loss may still show signs of disease under a microscope.
1 citations,
July 2024 in “Skin Research and Technology” Patients with androgenetic alopecia have thinner subcutaneous fat layers in their frontal scalp compared to healthy individuals.
6 citations,
December 2014 in “Clinical and Experimental Dermatology” Hair density and thickness decrease in all scalp areas for East Asians with AGA.
4 citations,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
4 citations,
February 2019 in “American Journal of Human Biology” Collecting hair from all scalp sections works as well as the standard method for cortisol analysis.
14 citations,
December 2003 in “Medical Hypotheses” Male-pattern baldness might be caused by the effect of hormones on scalp blood vessels.
July 2022 in “Journal of Investigative Dermatology” TRPS1 loss in balding scalp areas contributes to hair loss in androgenic alopecia.
February 2021 in “Journal of Investigative Dermatology” Hair loss in male pattern baldness is linked to changes in specific genes and proteins that affect hair growth and scalp health.
April 2018 in “Journal of Investigative Dermatology” Different types of stem cells in the skin contribute to the variety of melanoma forms.
January 2023 in “Journal of orthopedics & bone disorders” Platelet-rich plasma may not be very effective for bone healing and hair growth due to a substance it contains that blocks these processes.
120 citations,
October 2004 in “International journal of radiation oncology, biology, physics” Higher doses of cranial irradiation are linked to permanent hair loss.
35 citations,
February 2012 in “Journal of The American Academy of Dermatology” Finasteride significantly improves hair growth but may cause sexual side effects.
7 citations,
January 1981 in “Springer eBooks” The document concludes that hair biology is complex and there are still unanswered questions about hair loss and follicle changes.
November 2022 in “Journal of Investigative Dermatology” Occipital hair follicles in male pattern baldness respond uniquely to testosterone, not androgen-insensitive.
33 citations,
August 1985 in “Archives of Dermatology” Acquired Progressive Kinking of Hair is likely an early sign of male pattern baldness.
1 citations,
January 2020 in “Bioscientia medicina” Female pattern hair loss is common, worsens with age, and requires long-term treatment to manage.
2 citations,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
September 2019 in “Journal of Investigative Dermatology” People with pattern hair loss have higher polyamine levels in the top of their head compared to the back.
58 citations,
January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
22 citations,
May 1999 in “International Journal of Dermatology” Hair loss from genetics and hormones can be treated with drugs or surgery.
12 citations,
June 2017 in “Cell Cycle” Minoxidil foam helps hair growth by increasing good proteins and decreasing bad pathways in men with hair loss.
Trichotillometry can measure hair plucking force, aiding alopecia treatment evaluation.
October 2022 in “The Korean Journal of Physiology and Pharmacology” Targeting the PGD2-DP2 pathway may help treat hair loss.
July 2022 in “Journal of Investigative Dermatology” High platelet numbers in PRP may not be essential for hair growth, and certain growth factors could negatively affect treatment outcomes for hair loss.