September 2025 in “Cosmetics” NMN supplements may improve hair quality and appearance in middle-aged women.
September 2025 in “Acta Scientific Pharmaceutical Sciences” Rice water may improve hair strength, shine, and growth, but more research is needed.
July 2025 in “Cosmoderma” The plant-based supplement improved hair, skin, and nail health and boosted well-being without side effects.
July 2025 in “International Journal of Pharmacy and Pharmaceutical Science” The herbal hair gel mask made from flaxseed, fenugreek, and rice water is safe, effective, and promotes healthy hair and scalp.
September 2024 in “Brazilian Journal of Hair Health” Nutrients can help improve hair growth and thickness caused by pollution.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
May 2024 in “BMC veterinary research” Metabolites and diet affect hair growth cycles in cashmere goats.
September 2020 in “Research Square (Research Square)” Long noncoding RNAs help regulate hair follicle density in rabbits.
Rapid weight loss can cause temporary hair loss, but hair usually grows back.
August 2022 in “International Journal of Health Sciences (IJHS)” The combined treatment significantly improved hair growth and thickness compared to the control group.
18 citations
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February 1992 in “Molecular Biology Reports” A specific type II hair keratin was identified and found in hair cortex and tongue cells.
5 citations
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January 2016 in “Genetics and Molecular Research” Researchers found 617 genes that behave differently in cashmere goat hair follicles, which could help understand hair growth.
5 citations
,
June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
61 citations
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February 1997 in “Differentiation” Hair differentiation starts earlier than thought, involving multiple type-II keratins.
54 citations
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January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
21 citations
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January 1995 in “Molecular Biology Reports” Scientists discovered two versions of a new human hair keratin gene.
14 citations
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September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
6 citations
,
July 1975 in “Archives of Dermatology” Rapid weight loss from dieting and hormonal injections can cause significant hair loss in women.
5 citations
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February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
3 citations
,
December 2008 in “Frontiers of Agriculture in China” The Cashmere goat hair keratin gene is crucial for hair structure.
1 citations
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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.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
January 2011 in “Journal of Society of Cosmetic Chemists of Japan” 18-MEA and SPDA can restore damaged hair's smoothness and reduce frizz.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
To repair damaged hair, use products with proteins, lipids, and moisture like keratin, citric acid, and oils.
4 citations
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July 2010 in “International Journal of Cosmetic Science” Curved human hair has different structures on its convex and concave sides.
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
58 citations
,
November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
25 citations
,
January 2017 in “International Journal of Trichology” Most Indian people with hair loss in the study lacked nutrients, especially iron.