51 citations
,
September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
44 citations
,
June 2009 in “Biomaterials” Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.
January 2012 in “Journal of Cosmetics Dermatological Sciences and Applications” Iontophoresis greatly improves skin absorption of certain substances, especially in hairy mice.
September 2023 in “International journal of biological macromolecules” The chitosan/PDRN polyplex improved wound healing in diabetic rats.
5 citations
,
March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Dynamic, light touch is sensed through a common mechanism involving Piezo2 channels in sensory axons.
39 citations
,
June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” Electric current quickly reduces hand sweating but the effect doesn't last long.
132 citations
,
October 1995 in “Journal of the American Academy of Dermatology” Electrolysis is effective for permanent hair removal, but technique is key to avoid scarring, and sometimes hormonal treatment is needed for women with hirsutism.
Hair feels different when touched and rubs together in various ways.
43 citations
,
July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
7 citations
,
July 2025 in “The Journal of Physiology” C-tactile nerves are sensitive to hair movement.
January 1990 in “Advances in forensic haemogenetics” Human hair protein patterns are inherited genetically.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
3 citations
,
November 2022 in “Advances in Clinical and Experimental Medicine” Electric pulse treatments for breast cancer show promise in being safer and more effective, with fewer side effects.
42 citations
,
July 1993 in “Journal of Investigative Dermatology”
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
March 2026 in “Advanced Healthcare Materials” 3 citations
,
May 1994 in “Journal of Pharmacology and Experimental Therapeutics” Minoxidil sulfate affects Cl channels, while minoxidil affects K channels in cells.
January 1989 in “Journal of The American Academy of Dermatology” Psoriasis patients have immune cells that respond more strongly to signals and stimuli due to an intrinsic cellular defect.
23 citations
,
March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
2 citations
,
April 2022 in “Biomedicines” Low-frequency electromagnetic fields may help hair growth by affecting certain growth-related molecules.
9 citations
,
January 2025 in “Droplet” Precise cell manipulation technologies are advancing but still face challenges in improving accuracy for medical use.
4 citations
,
April 2002 in “Medical Hypotheses” Hormones cause hair loss by affecting cell growth and weakening cell attraction.
13 citations
,
January 2015 in “Steroids” The study created a model to help design new inhibitors for steroidal 5α-reductase enzymes.
1 citations
,
January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.
November 2025 in “Advanced Healthcare Materials” Charge-conversion chemistry improves hair-rebonding by enhancing penetration and strength.
5 citations
,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
2 citations
,
July 2020 in “Electromagnetic Biology and Medicine” Low-frequency electromagnetic fields help regenerate hair follicles using a mix of skin cells.
1 citations
,
January 2009 in “Journal of S C C J” Changing disulfide bonds in human hair affects its melting behavior and thermal stability.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.