43 citations
,
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.
7 citations
,
February 1998 in “Polymer journal” Keratin structure in hair is stable at pH 5-6 but disrupts between pH 6-7.
29 citations
,
April 2017 in “Macromolecular bioscience” Scientists created tiny pH-sensing gels that can safely measure the pH levels inside hair follicles.
13 citations
,
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.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.