Nearly all hand sanitizers are alcohol-based, making them highly flammable. Leaving these bottles in your car during hot weather could lead to them catching fire and damaging your vehicle.
Despite some researches claim it is very unlikely there is still a chance because clear water bottles have been known to focus light to the point that they boil the water and explode. So it’s also possible when other substances are heated to extreme temperatures.
Considering the risks it would probably be best if you didn’t leave hand sanitizers in your car.
You can buy hand sanitizers from Amazon and have it delivered straight to your door: