"Can magnesium hydroxide be absorbed via skin?"

I don't know. I genuinely don't know.

"I've been applying milk of magnesia as a deodorant alternative in spray form for a few years now, and it works well, but I'm concerned about I might be hypermagnesemic, as I'm having low pulse, low blood pressure, and frequent bowel movements."

You might be hypermagnesemic. You should measure your magnesium status, for sure.

This Q&A can also be found as part of a much longer episode, here:https://chrismasterjohnphd.com/podcast/2019/02/09/ask-anything-nutrition-feb-1-2019/

If you would like to be part of the next live Ask Me Anything About Nutrition, sign up for the CMJ Masterpass, which includes access to these live Zoom sessions, premium features on all my content, and hundreds of dollars of exclusive discounts. You can sign up with a 10% lifetime discount here: https://chrismasterjohnphd.com/q&a.

Access the show notes, transcript, and comments here.

Chris Masterjohn, PhD, is the Founder and Scientific Director of the mitochondria test Mitome.