307 citations
,
November 1968 in “Journal of neurophysiology” Cats' hairy skin has different touch receptors connected by myelinated fibers.
84 citations
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June 2013 in “Stem Cells Translational Medicine” New methods for skin and nerve regeneration can improve healing and feeling after burns.
39 citations
,
March 2022 in “Nature Protocols” Scientists created hair-growing skin models from stem cells, which could help treat hair loss and skin diseases.
Light tickling can be unpleasant and may feel worse for individuals with autism.
April 2019 in “Journal of Investigative Dermatology” Skin grafts from related donors significantly healed chronic wounds in patients with a severe skin condition over a year.
February 2019 in “American International Journal of Humanities Arts and Social Sciences” The dermis of Millivora Capenesis has two layers with various connective tissues, blood vessels, glands, and sensory structures.
June 2001 in “Annals of Internal Medicine” The document concludes that more research is needed on the hepatitis B vaccine's side effects and the effectiveness of certain treatments for specific diseases.
3 citations
,
March 2019 in “PubMed” Biofibre hair implants are safe, well-tolerated, and provide immediate cosmetic improvement for hair loss.
March 2022 in “Berkala Ilmu Kesehatan Kulit dan Kelamin/Berkala ilmu kesehatan kulit dan kelamin (Periodical of dermatology and venerology)” Touching cats can increase the risk of getting a fungal scalp infection, especially in boys and kids over 5.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
August 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Mouse touch-sensitive nerve cells adjust their connections based on competition with other similar cells.
6 citations
,
September 2021 in “Experimental Brain Research” Rats have different touch receptors in their paws that help with movement and handling objects.
1 citations
,
January 2001 in “PubMed” Mechanoreceptors convert physical touch into electrical signals through specialized nerve structures.
April 2016 in “Journal of Investigative Dermatology” Sonic hedgehog signaling is needed for the development of touch-receptor cells in the skin, and the loss of Polycomb repressive complex 2 can lead to more of these cells.
Hair feels different when touched and rubs together in various ways.
18 citations
,
May 1988 in “Journal of The American Academy of Dermatology” Itraconazole helps improve tough skin infections but may not prevent them from coming back.
140 citations
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February 2014 in “Neuron” Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.
46 citations
,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
6 citations
,
June 2016 in “The anatomical record” Dogs have varying numbers of touch-sensitive Merkel cells in different skin areas, with most in the oral mucosa and facial skin, unrelated to age, sex, breed, or color.
Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.
March 2006 in “The FASEB Journal” Two methods improved nerve regeneration and touch recovery in skin grafts for burn patients.
February 2012 in “Reactions Weekly” A woman got male pattern baldness from touching her husband's testosterone gel.
59 citations
,
December 2016 in “Clinical, Cosmetic and Investigational Dermatology” Acne keloidalis nuchae is a tough-to-treat condition that greatly affects quality of life, especially in men of African descent.
39 citations
,
August 2016 in “Journal of Dermatological Treatment” Stem cell therapy may help treat tough hair loss cases.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
4 citations
,
September 2022 in “Dermatologic Therapy” Baricitinib helped some patients with tough-to-treat hair loss regrow hair, but more research is needed on its safety.
1 citations
,
September 2025 in “Scientific Reports” The new gel improves treatment of tough skin infections.
September 2025 in “Chemical Engineering Journal” A new sustainable polyester is tough, recyclable, biodegradable, and aids wound healing, supporting a circular economy.
July 2011 in “Microscopy and microanalysis” Human hair's structure makes it tough and resistant to breaking.
Anti-androgens can help treat tough skin conditions like severe acne and excessive hair growth.