October 2017 in “Our Dermatology Online” DCP in isopropanol is better tolerated for treating alopecia areata.
May 2023 in “International Journal of Trichology” A witch-hazel-based 5% minoxidil solution is effective and safe for women with hair loss who didn't respond to regular minoxidil, especially if they're sensitive to propylene glycol.
33 citations
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June 1995 in “Journal of Pharmaceutical Sciences” More ethanol increases minoxidil delivery, but too much lowers efficiency.
123 citations
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February 2002 in “Journal of The American Academy of Dermatology” Minoxidil can cause skin allergy; use alternative solvents or treatments if allergic.
38 citations
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June 2005 in “Contact Dermatitis” Patient had scalp allergy from minoxidil; test helped identify cause and suggest alternative treatments.