December 2013 in “Pump Industry Analyst” The method effectively delivers vaccines through the skin without needles.
August 2012 in “Journal of Evidence-Based Medicine” The issue discussed China's research contributions, systematic review improvements, and featured various medical studies and trials.
January 2007 in “E-Deusto: conocimiento para ir por delante” The study provided insights into burn healing and scarring, aiding future treatment development.
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.
142 citations
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September 2020 in “Journal of neurophysiology” Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.
3 citations
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August 2020 in “Journal of The American Academy of Dermatology” Degenerative changes in the lower cervical spine are common in patients with abnormal scalp sensations, with some improvement seen using pain medication and physical therapy.
September 2016 in “Journal of dermatological science” Transplanted whisker follicles caused hair growth on the spine of mice.
January 2023 in “International journal of biological sciences” COX2 and ATP synthase control the size of hedgehog spines.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” People with acne have more CD4+ immune cells in their skin than healthy people.
February 2026 in “Journal of Cosmetic Dermatology” A new reliable scale improves accuracy in measuring hair density and treatment response.
33 citations
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November 2012 in “JAMA Dermatology” Most women with weird scalp feelings had neck spine problems, and some got better with gabapentin treatment.
1 citations
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August 2024 in “Journal of Cutaneous and Aesthetic Surgery” Hair density decreases with age, especially in the 60s.
89 citations
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May 2005 in “Stem Cells” Mouse skin has special cells in the epidermis that decrease with age and are linked to keratinocyte stem cells.
11 citations
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September 2016 in “Archives of Dermatological Research” People with denser forearm hair have a higher risk of certain skin cancers.
July 2024 in “Journal of Investigative Dermatology” Substance P helps restore skin thickness and cell renewal when sensory nerves are reduced.
January 2004 in “中国组织化学与细胞化学杂志”
32 citations
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September 1997 in “Dermatologic Surgery” Mini-micrografting in hair transplants can give similar density to older methods with fewer sessions.
51 citations
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February 2004 in “Journal of Investigative Dermatology” MCSP may help identify and regulate skin stem cells, affecting hair growth and regeneration.
January 1996 in “대한피부과학회지” High Demodex mite density may be linked to sebaceous hyperplasia.
1 citations
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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.
March 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Spiny mice have a unique skin structure that helps them heal and regenerate quickly.
April 2018 in “Journal of Investigative Dermatology” African spiny mice can regenerate skin and hair after wounds due to specific tissue mechanics.
January 2025 in “International Journal of Dermatology” Afro-textured hair in indigenous South Africans has lower density and unique features, needing specific evaluation standards.
6 citations
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August 2013 in “Facial plastic surgery clinics of North America” Dense packing fits many hair grafts closely together for a natural look but isn't suitable for everyone.
31 citations
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February 2020 in “BioMed Research International” Thai people's hair density decreases with age and varies by scalp area, but hair thickness stays the same regardless of age or scalp area.
19 citations
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February 2013 in “Journal of Investigative Dermatology” Touch domes in human skin are complex sensory structures not directly linked to hair.
May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
19 citations
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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.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The research identified specific genes that are active in the cells crucial for hair growth.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.