19 citations
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March 1961 in “Nature” A fatty acid/protein complex in human hair helps protect it from damage.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
1 citations
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August 2021 in “Consilium Medicum” Selencin effectively reduces hair loss and improves hair health in diffuse alopecia.
1 citations
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January 2010 in “DOAJ (DOAJ: Directory of Open Access Journals)” Silibinin at 0.5 μg/ml helps hair follicle stem cells turn into neurons.
July 2007 in “Manuals in biomedical research”
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
5 citations
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January 1992 Silicones in shampoos make hair smoother, easier to manage, and reduce friction.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
January 2005 in “Medical Entomology and Zoology” The reinforced collagen sponge helps grow normal hair in mice.
11 citations
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October 2017 in “International Journal of Molecular Sciences” A new drug delivery system using oil body-bound oleosin-rhFGF-10 improves wound healing and hair growth in mice.
16 citations
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January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” The 3D structure of a key hair protein was modeled, revealing specific helical structures and stabilization features.
Biotin and silica from plants improve hair, skin, and nail health.
7 citations
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May 2022 in “PLOS ONE” Certain genes and pathways are linked to the production of finer and denser wool in Hetian sheep.
4 citations
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January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.
Conditioners improve hair health and appearance, but eco-friendly alternatives to silicones are needed.
October 2023 in “International journal of molecular sciences” Key proteins and pathways regulate wool fiber diameter in Alpine Merino sheep.
December 2025 in “Biomolecules” Targeting protein S-palmitoylation could lead to new skin disease treatments.
103 citations
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February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
7 citations
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January 2023 in “Journal of Animal Science” miR-877-3p can improve cashmere quality by regulating hair growth in goats.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
November 2025 in “Analytical Chemistry” A new method improves protein extraction from hair, helping identify potential biomarkers for fetal growth issues.
18 citations
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February 2023 in “Plants” Purple glutinous rice extracts can help whiten skin and reduce aging signs.
25 citations
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December 1973 in “Biochemical Journal” Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
January 2024 in “Collagen and leather” The conclusion is that using bovine milk permeate to remove wool from sheepskins is eco-friendly and results in smoother, higher quality leather compared to traditional sulfide methods.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract may help with hair growth and anchorage, potentially aiding in hair loss treatment.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
2 citations
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January 1987 in “Acta Agriculturae Scandinavica” Certain chelators lighten mink skin and hair, increase skin elasticity, and disrupt hair growth without affecting fur quality.
1 citations
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January 2017 in “PubMed” All five hair fiber products improved appearance but didn't stick to completely bald areas.