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.
2 citations
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January 1994 in “Yakubutsu dōtai” Finasteride has different absorption and metabolism in male and female rats, with higher concentrations in certain organs and mostly excreted through feces.
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.
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November 2017 in “Drug Development and Industrial Pharmacy” Improved tablets lead to faster, better drug absorption for hair loss treatment.
August 2022 in “International journal of membrane science and technology” Finasteride diffuses spontaneously through SDS micelles, suggesting they can replace living cell membranes.
May 1987 in “Inpharma (Balgowlah)” Topical minoxidil may slow hair loss but often doesn't lead to satisfactory hair regrowth and requires ongoing treatment.
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.
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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.
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May 2011 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
44 citations
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October 1989 in “International Journal of Pharmaceutics” Minoxidil's effectiveness decreases as vehicle evaporates; concentration and thermodynamic activity matter.
March 2025 in “Asian Journal of Beauty and Cosmetology” Microspicule cosmetics improve skin whitening, pores, and barrier strength.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” Active agents mainly stay on the hair surface after short washes.
22 citations
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June 2001 in “International Journal of Cosmetic Science” Iron is crucial for healthy skin, hair, and nails.
March 2026 in “International Journal of Dermatology” Children can develop excessive hair growth from indirect contact with minoxidil, but it usually reverses after stopping exposure.
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June 2015 in “Lasers in Medical Science” The 830-nm wavelength was most effective at promoting hair growth in rats using low-level laser therapy.
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April 1988 in “Journal of endocrinological investigation” Topical spironolactone cream doesn't cause hormone-related side effects in the body.
January 2016 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” A 6-group geometric classification of human scalp hair is more reliable and objective for testing than an 8-group system.
January 1992 in “Journal of Oriental Neuropsychiatry” People with schizophrenia have lower zinc, copper, and chromium in their hair.
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January 2014 in “Anais Brasileiros De Dermatologia” Nanotechnology in dermatology shows promise for better drug delivery and treatment effectiveness but requires more safety research.
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July 2023 in “Journal of Cosmetic Dermatology” Adapalene microemulsions improve drug delivery through hair follicles, enhancing acne treatment.
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May 1995 in “Journal of Adolescent Health” Inner city teens had high retention rates for the contraceptive implant, especially those with a history of abortion.
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January 1994 in “Skin Pharmacology and Physiology” Minoxidil absorption in skin is slowed by cleansing, depends on how long it stays on the skin, and is not much affected by reapplication.
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January 2004 in “Zhōnghuá yàoxué zázhì” Ethosomes improve skin absorption of finasteride more than other methods.
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June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
June 2017 in “DOAJ (DOAJ: Directory of Open Access Journals)” Combining finasteride with dimethyl-β-cyclodextrin improves its absorption and bioavailability.
January 2022 in “Advanced Pharmaceutical Bulletin” Clove oil and grape seed extract increase finasteride skin absorption, while urea decreases it.
14 citations
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August 2024 in “BMC Pregnancy and Childbirth” Platelet-rich plasma can help thicken the endometrium and improve pregnancy rates.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” Carthamus tinctorius floret extract is a safe hair growth promoter with good skin absorption.
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June 2011 in “PubMed” Most skin care products are safe during pregnancy, but avoid hydroquinone and tretinoin.
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October 2009 in “Clinical Therapeutics” Finasteride 5-mg oral disintegrating tablets and standard tablets are bioequivalent in healthy adult male Han Chinese volunteers.