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.
8 citations
,
May 2020 in “International journal of biological macromolecules” Certain treatments can increase protein binding to natural hair but are less effective on permed hair.
4 citations
,
July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
72 citations
,
July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
53 citations
,
October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
2 citations
,
December 2025 in “Cosmetics” Proper scalp care can improve hair health and delay ageing signs.
63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
7 citations
,
September 2013 in “Tissue engineering. Part A” Hair follicle stem cells can become motor neurons and reduce muscle loss after nerve injury.
2 citations
,
July 2025 in “Frontiers in Veterinary Science” MicroRNAs and AI can improve cashmere goat hair quality and aid in hair disorder diagnosis.
39 citations
,
June 2012 in “Journal of Structural Biology” Disulfide bonds are crucial for hair structure during keratinization.
November 2023 in “Computational and Structural Biotechnology Journal” A single robotic system can accurately harvest and implant hair grafts, showing promise for real-world use.
288 citations
,
June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
12 citations
,
July 2016 in “Forensic science international” The research found that postmortem root bands in hair are likely caused by the breakdown of a specific part of the hair's inner structure after death.
13 citations
,
June 2020 in “Scientific reports” Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.
Optical Coherence Tomography has potential in diagnosing hair loss and monitoring blood clotting, and could be improved for deeper tissue observation and better hair loss understanding.
April 2024 in “American Journal of Biological Anthropology” Hair traits vary widely and are not reliable indicators of ancestry.
98 citations
,
November 1999 in “Dermatology Online Journal” IGF-1 can boost hair growth by promoting cell growth and preventing cell death.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
117 citations
,
November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
9 citations
,
August 2017 in “Journal of comparative pathology” Trichoblastomas in rabbits are linked to uncontrolled embryonic hair growth and have distinct histological features.
1 citations
,
December 2021 in “Pakistan biomedical journal” Eating certain seeds may help reduce symptoms of Polycystic Ovary Syndrome.
9 citations
,
September 2016 in “Medical Clinics of North America” Eating less and exercising more, with personalized diet plans and realistic goals, can lead to weight loss and better health, but more research is needed for long-term success.
19 citations
,
January 2019 in “Animals” PDGFA helps activate hair growth in cashmere goats.
151 citations
,
November 2018 in “International Journal of Pharmaceutics” Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.
10 citations
,
November 2021 in “International journal of molecular sciences” Sheep and goat hair fibers are complex due to keratin-associated proteins, which are important for fiber properties and growth.
135 citations
,
October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
1 citations
,
May 2024 in “Animal Biotechnology” Reducing miR-361-5p boosts hair growth in cashmere goats by activating stem cells.
17 citations
,
July 2022 in “BMC Genomics” The FA2H gene improves cashmere fineness by enhancing hair growth in goats.
A hat with sensors can measure scalp moisture well, helping with hair care.