5 citations
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August 2014 in “Pharmaceutical Development and Technology” In this study, the researchers reported that while both propylene glycol and sodium lauryl sulfate enhanced finasteride's skin deposition, ethanol was the only effective enhancer of finasteride's permeation through the skin.
This study concluded that a shampoo with 10% sodium lauryl sulfate showed the best physical properties among the tested formulas, aligning closely with the Indonesian National Standard.
24 citations
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November 2009 in “Pharmaceutical Development and Technology” This study found that Transcutol P significantly enhanced the skin penetration of Finasteride in vitro, while cationic and anionic surfactants did not show such effects.
10 citations
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January 1985 in “PubMed” This study found that electron and proton microprobe analysis can reveal differences in element distribution within human hair and epidermis, although no significant water content differences were noted between atopic eczema and normal skin.
September 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that the formulated polyherbal shampoo is a safe, stable, and effective natural alternative for routine hair care, offering good cleansing, conditioning, and protection without causing skin irritation.