Elemis Is very good but it’s a gel however for the CBA or travelling moments most creams would be easier.
Carrying a small tube of cream is far better that any can or Decant your own gear in sample tubs
Edit
i never have CBA moments in shaving
for me it’s my chill out time but if i cba i just done shave
Foam, by definition, is lots of bubbles. I can't see how that would give you the slip you need. It's usual to brush out any bubbles.
I tried foam once, never again. If you want least effort, wash your face with soap and shave it off before rinsing.
Get the silicon squeezy travel bottles, with the non-return valve and wide mouth screw-off cap for easy filling / cleaning.
I bought a set of three for less than a tenner and they are tiny.
You can put a squeeze of any cream in there in seconds and just blob it straight onto the brush for face lathering when travelling away or CBA days. They really are the answer, much better than a far bulkier aerosol can