3 citations
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August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
18 citations
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May 2014 in “International journal of pharmaceutics” Aging and sun damage do not increase the skin's absorption of certain sunscreens and drugs.
3 citations
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January 2025 in “International Journal of Molecular Sciences” EGCG shows strong electron transfer interactions when bonded to DPPG lipids.
21 citations
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March 2017 in “Skin research and technology” Removing external lipids from hair reduces moisture and increases strength, while removing internal lipids decreases water permeability.
12 citations
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February 2019 in “Skin research and technology” White hair has less lipid content and absorbs water differently than brown hair.
12 citations
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October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
9 citations
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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.
10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
4 citations
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July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
The poly herbal gel effectively stimulated hair growth.
181 citations
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July 2004 in “Journal of controlled release” Smaller nanoparticles improve minoxidil absorption through hair follicles.
6 citations
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May 2019 in “Journal of pharmaceutical sciences” Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.
3 citations
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August 2021 in “Journal of fiber science and technology” Chitin nanofibrils are better at stabilizing oil droplets in emulsions than cellulose nanofibrils.
19 citations
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January 2008 in “Journal of Pharmacy and Pharmacology” Porcine hair follicles can effectively model human hair follicles for drug absorption.
8 citations
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July 2012 in “Annals of biomedical engineering” Hair absorbs molecules differently based on their size, charge, and love for water, and less at higher pH; this can help make better hair products.
September 2025 in “Cosmetics” Lipid content and structure affect water absorption in different hair types.
October 2025 in “Clinical Cosmetic and Investigational Dermatology” SP treatment improves hair health and moisture retention better than water treatment.
Human hair can effectively absorb arsenic from water.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
42 citations
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January 2009 in “Colloids and Surfaces B: Biointerfaces” A certain surfactant sticks to human hair, making it change from water-repelling to water-attracting, which could help in hair conditioning.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
8 citations
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January 2021 in “Pharmaceutics” Nanoporous silica entrapped lipid-drug complexes significantly improve the solubility and absorption of drugs that don't dissolve well in water.
156 citations
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August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
22 citations
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January 1968 in “THE JOURNAL OF VITAMINOLOGY” α-Tocopheryl acetate is well absorbed through healthy skin.
11 citations
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January 2006 in “Drug development and industrial pharmacy” Adding TPGS to minoxidil solutions can improve skin penetration and retention, especially in water and PEG 400-based solutions.
5 citations
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December 1942 in “Journal of the American Medical Association” Choline and biotin are important for liver health and preventing certain deficiencies in animals, and more research is needed to understand their benefits in humans.
29 citations
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June 2014 in “Drug delivery” The new formulation improved the skin absorption of the drug Thiocolchicoside.
20 citations
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May 2009 in “Health physics” The model helps predict uranium levels in human hair from drinking contaminated water, offering an alternative to urine tests.
15 citations
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February 2014 in “Toxicology Letters” Coumarin derivatives cause skin irritation, but coumarin itself does not.