30 citations
,
January 2009 in “The scientific world journal/TheScientificWorldjournal” Hair is hard to dissolve because of its complex proteins, but certain solvents that break specific bonds and hydrate can do it.
9 citations
,
January 1989 in “Sen'i Gakkaishi” Wool and hair fibers absorb moisture similarly due to their keratin structure, with the amount of non-crystalline areas affecting the moisture uptake.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair serum gel effectively improves scalp health and promotes hair growth.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
July 2019 in “Ferroelectrics” More human hair protein makes the films weaker and less clear.
29 citations
,
May 1986 in “Journal of Steroid Biochemistry” Androgens don't directly affect hair cell growth or protein production.
1 citations
,
January 2019 in “PubMed” cgVEGF164 boosts hair follicle growth in mice.
February 2024 in “Journal of medicinal food” The research found a way to develop hair growth materials by targeting a specific signaling pathway.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
192 citations
,
April 2019 in “ACS nano” A new microneedle patch made from hair proteins helps regrow hair faster and better than current treatments.
25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
19 citations
,
March 2013 in “Biology Letters” Early tetrapod keratins evolved into toe pad proteins in amphibians and hair proteins in mammals.
2 citations
,
November 1992 in “Journal of dermatology” Hair cells grown in a lab showed specific hair proteins.
To repair damaged hair, use products with proteins, lipids, and moisture like keratin, citric acid, and oils.
June 2023 in “Experimental dermatology” Pubic hair has a thicker, more protective outer layer than scalp hair, possibly due to evolution.
January 2023 in “Czech Journal of Animal Science” Proteins influence the quality and traits of cashmere goat fleece, affecting hair strength and diameter.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
January 2014 in “Sen'i Gakkaishi” Researchers developed a method to identify animal fibers in textiles, which works on processed and blended materials.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.
The serum with hibiscus and other natural ingredients improves hair growth and quality.
3 citations
,
January 1989 in “Journal of Japan Oil Chemists Society” AMT is the best surfactant for hair and scalp care.
August 2023 in “Journal of Health and Beauty” K-30 treatment restores protein and weight in damaged hair, making it similar to healthy hair.
March 2026 in “The Indian Journal of Animal Sciences” All Indian dromedary camel breeds have the same KRTAP7 gene affecting hair quality.
45 citations
,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
28 citations
,
December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
July 2024 in “British journal of dermatology/British journal of dermatology, Supplement” A variant in the KRT31 gene causes a rare hereditary hair disorder called monilethrix.
June 2023 in “Historical records of Australian science/Historical Records of Australian Science” George Ernest Rogers was a notable scientist who made important discoveries about hair and wool proteins.
25 citations
,
October 2000 in “Gene” Gene regulatory regions evolve faster than protein coding regions, allowing new gene relationships without changing transcription factors.
13 citations
,
March 2000 in “Veterinary Dermatology” Dogs have a skin condition like human pseudopelade, causing hair loss that doesn't improve with treatment.