Remington make a powder stick of Talc or similar. I've used it for decades before face shaving.
"Remington FaceSaver - Pre-shave for use with all electric shavers."
Those before and after shave liquid products don't seem to help me shave close with an electric. The powder seems to help prevent the "burn". At least for me, letting my beard grow too much (Like: skip a day or two) makes it more uncomfortable to shave. That why the trimmer, too. Used to grow a beard every winter to save skin when wind and temp got too low. I liked it better than baby powder, wnet on more evenly, less messy.
Not an ad, just a suggestion.