13 citations
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August 1995 in “The Journal of Steroid Biochemistry and Molecular Biology” The activity of a specific rat enzyme in the prostate and epididymis is highly dependent on the acidity level.
7 citations
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February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
43 citations
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July 2016 in “European journal of pharmaceutical sciences” Scientists created tiny particles that release medicine on the skin and in hair, working better at certain pH levels and being safe for skin cells.
22 citations
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October 2019 in “International Journal of Nanomedicine” The nanoparticles improved hair growth and enlarged hair bulbs.
13 citations
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September 2020 in “Sensors” Hair follicles have a pH gradient, increasing towards the root.