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.
8 citations
,
November 2022 in “International Journal of Cosmetic Science” Human hair varies widely and should be classified by curl type rather than race.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
December 2025 in “Frontiers in Veterinary Science” Liaoning cashmere goats grow more cashmere by boosting fat production, supporting hair structure, and controlling inflammation.
April 2024 in “Research Square (Research Square)” 16-MHA can restore the barrier and moisture of damaged hair, making it similar to undamaged hair.
Acidic sandy clay damages archaeological hair the most, while dry conditions preserve but make it brittle; silicone oil can help keep the hair flexible.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
40 citations
,
June 2011 in “Journal of biological chemistry/The Journal of biological chemistry” FA2H is essential for normal fur and sebum production in mice.
7 citations
,
May 2021 in “Applied sciences” Proteins like BSA and keratin can effectively style hair and protect it, offering eco-friendly alternatives to chemical products.
September 2023 in “Asian journal of beauty & cosmetology” Lipids are important for healthy hair, but their exact role is not fully understood and needs more research.
February 2026 in “Optics” Stretching wool changes its structure and improves fiber alignment.
4 citations
,
July 2023 in “Analytical and Bioanalytical Chemistry” 15 citations
,
August 2020 in “Analytical chemistry” Hair lipids do not protect against humidity.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
112 citations
,
September 2021 in “BMC Biology” Key genes and factors crucial for hair follicle development and wool traits in Merino sheep were identified.
2 citations
,
February 2025 in “PLoS ONE” Key proteins influence wool quality by affecting hair follicle development in sheep.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
43 citations
,
July 2005 in “Journal of Chromatography B” A new method accurately measures hair lipids, revealing individual differences.
8 citations
,
May 2004 in “Textile Research Journal” Scientists made antibodies to tell cashmere and wool apart, which could improve how we identify animal fibers.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
June 2023 in “Frontiers in Genetics” Genes related to calcium signaling and lipid metabolism are important for curly hair in Mangalitza pigs.
September 2025 in “Animals” Key proteins and pathways are crucial for wool fineness, but more research is needed.
19 citations
,
January 2023 in “Genes” Certain genes influence wool, growth, and reproduction traits in Uruguayan Merino sheep.
January 2006 in “Seibutsu Butsuri” Curly and straight hair differ in how their internal fibers are arranged.
30 citations
,
December 2014 in “BMC Genetics” Certain genes and proteins may influence wool growth in Aohan fine wool sheep.
January 2025 in “BMC Genomics” Long non-coding RNAs help regulate wool fineness in Gansu alpine fine-wool sheep.
Editing the FGF5 gene in sheep increases fine wool growth.
February 2022 in “Research Square (Research Square)” Key genes influencing sheep hair follicle development were identified, aiding wool breeding and understanding human hair conditions.
5 citations
,
February 2022 in “Acta Biomaterialia” Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.