50 citations
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August 1972 in “Archives of Environmental Health An International Journal” Cadmium sticks to hair differently for each person, and strong acid can mostly remove it.
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.
7 citations
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January 1995 in “Journal American Society of Mining and Reclamation” Excess selenium and sulfur in plants can harm animals, causing symptoms like hair loss and poor reproduction.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
55 citations
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September 2017 in “Expert Opinion on Drug Discovery” Different factors affect where drugs are absorbed in the small intestine, which is important for effective medication use.
10 citations
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July 2021 in “European journal of pharmaceutics and biopharmaceutics” Nanoparticles sized between 470 and 750 nm are best for delivering substances like caffeine into hair follicles for absorption.
1 citations
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August 2019 in “Journal of Dentistry Indonesia” A 645-nm diode laser effectively penetrates swine soft tissues, suggesting predictable therapeutic effects.
8 citations
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January 2011 in “Collection of Czechoslovak Chemical Communications” Researchers developed a sensitive method to measure minoxidil in various products with high accuracy.
19 citations
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March 2011 in “Cutaneous and Ocular Toxicology” Some chemicals absorbed through the skin can cause serious health problems.
282 citations
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April 2007 in “Journal of Agricultural and Food Chemistry” Apple polyphenol, especially oligomeric procyanidins, can reduce fat absorption and lower blood fat levels.
182 citations
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December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
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.
82 citations
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January 1994 in “Skin Pharmacology and Physiology” Hair follicles and glands significantly increase steroid absorption in skin.
55 citations
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March 2018 in “Journal of pharmacy & pharmaceutical sciences” Microneedles help improve drug delivery through the skin and are used in medicine and beauty treatments.
52 citations
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February 1985 in “Archives of Dermatology” Minoxidil absorbs poorly through skin, with low risk of side effects at 1-2% concentration.
37 citations
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January 1997 in “Journal of Pharmaceutical Sciences” Hairless rats absorb substances through their skin more easily than hairy rats.
25 citations
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June 1990 in “Journal of Pharmaceutical Sciences” Longer contact time increases minoxidil absorption, but doesn't affect metabolism.
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November 2009 in “Pharmaceutical Development and Technology” Transcutol P best increases Finasteride absorption for hair loss treatment.
22 citations
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June 2005 in “Clinical Oncology” Orlistat might block the body's ability to absorb thyroid medication.
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January 1968 in “THE JOURNAL OF VITAMINOLOGY” α-Tocopheryl acetate is well absorbed through healthy skin.
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December 1995 in “International Journal of Pharmaceutics” Liposomes can make the antiandrogen RU 58841 more effective for skin application by reducing absorption, increasing skin retention, and targeting sebaceous structures.
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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.
18 citations
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March 2009 in “Medical Hypotheses” The document suggests that blocking sweat glands with antiperspirants might allow skin-generated hormones to be absorbed, possibly increasing breast and prostate cancer risk.
18 citations
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October 2005 in “International Journal of Pharmaceutics” Adding a small amount of TPGS to minoxidil can help hair growth, but too much TPGS reduces this effect and increases minoxidil in the blood.
14 citations
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March 2019 in “European journal of pharmaceutics and biopharmaceutics” Proretinal nanoparticles improve skin absorption and reduce irritation of topical retinoids.
10 citations
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April 2008 Chitin nanofibrils can improve skin health and help deliver active ingredients into the skin.
8 citations
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January 1968 DMSO causes reversible swelling in hair but has a complex, less reversible effect on skin.
1 citations
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June 2022 in “Pharmaceutics” Minoxidil's absorption is too variable for it to be a reliable reference drug.
December 2025 in “JEADV Clinical Practice” These new skin treatments are safer and more effective with minimal side effects.