Answer first
When travelling, pack Folli-Fix in your checked bag or follow your airline's rules for pressurised containers in cabin bags, keep it away from heat and direct sun, and set a reminder at your usual local time. A missed day is not a disaster; just continue.
Packing
Keep the cap on, put the can in a zip bag and store it upright when possible.
Routine
Link it to something you always do, like brushing your teeth.
Questions
Can foam go in hand luggage?
Check your airline's rules for aerosols.
What about hot cars?
Don't leave it in a hot car.