51 citations
,
January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
7 citations
,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
5 citations
,
January 1981 Keratin proteins in hair are complex and come from multiple gene families.
30 citations
,
March 2019 in “Archives animal breeding/Archiv für Tierzucht” The KRTAP15-1 gene affects cashmere fiber thickness in goats.
September 2025 in “Acta Scientific Pharmaceutical Sciences” Rice water may improve hair strength, shine, and growth, but more research is needed.
January 2025 in “International Journal for Research Trends and Innovation” The polyherbal hair oil promotes hair growth effectively and is safe for use.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
4 citations
,
May 2017 in “Pediatric Dermatology” The study found that Short Anagen Syndrome results in short hair growth not due to hair fragility, and hair may grow longer after puberty.
19 citations
,
January 2009 in “International review of cell and molecular biology” Hair's strength and flexibility come from its protein structure and molecular interactions.
1 citations
,
March 2021 in “Current Dermatology Reports” Various treatments help hair growth, but more research needed for safety and effectiveness.
Black hair's diversity in patterns and textures is influenced by follicle shape and keratin, and it holds cultural, artistic, and mathematical significance.
August 2019 in “Research Square (Research Square)” Certain long non-coding RNAs in cashmere goats affect hair growth when treated with a specific growth factor.
65 citations
,
October 2018 in “Frontiers in cellular and infection microbiology” Certain bacteria and fungi are linked to healthy scalps and dandruff, suggesting that the scalp's microbial balance affects its health.
14 citations
,
October 2020 in “Natural Products and Bioprospecting” Various treatments, including FDA-approved drugs, natural products, and oral supplements, can help with hair loss, but a patient's medical history and potential allergies should be considered when choosing a treatment.
11 citations
,
January 2014 in “The Scientific World Journal” Cynatine HNS improves hair and nail quality in 90 days.
10 citations
,
October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
9 citations
,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
November 2025 in “Quality in Sport” Collagen supplements improve skin, hair, and nails, especially with vitamin C and minerals.
1 citations
,
September 2015 in “Clinics in Dermatology” The guide helps doctors diagnose hair problems by suggesting a thorough patient history, physical exams, and various diagnostic tools.
February 2025 in “Clinical Cosmetic and Investigational Dermatology” Higher fasting insulin levels increase the risk of androgenetic alopecia.
4 citations
,
October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
25 citations
,
September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
18 citations
,
January 1978 in “Advances in experimental medicine and biology” Hair cystine levels may indicate protein malnutrition, but more research is needed.
9 citations
,
January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
4 citations
,
January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
Plant-based compounds can improve wound dressings and skin medication delivery.
Different androgen concentrations affect wool-related gene expression differently in Hetian and Karakul sheep breeds.
May 2024 in “Molecules/Molecules online/Molecules annual” Plant extracts can help prevent hair loss and promote hair growth.