[Product Question] Asked The Body Shop about the pH of their cleansers and received a weird response

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Unfortunately we are not able to divulge the pH of our products as this is proprietary information.Weird, right? Is it common for companies to withhold this kind of information? This kind of rubs me the wrong way. I'm moving abroad and I'm sure of what kind of skincare I'll be able to find in my new city, but my city does a Body Shop, so I was hoping to find a cleanser that I liked, but this response kind of turns me off...As an aside, would anyone know/be able to test the pH of some of their cleansers?
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