How long can sunscreens be used after opening?

Some sunscreens have an expiration date as others have written down any symbol of how long they can be used after opening. But if the product does not have either, British doctors suggest that cream can be used from two to three years, if kept in the environment [...]
But if the product does not have either, British doctors suggest that cream can be used from two to three years, if kept in the right environment, cold and dry places.
However, if the expiration deadline has passed and has not been properly preserved, for example, if you keep it in a hot car during the summer, your cream will not have the same effect of sun protection.
We remember that during the summer you have to apply protective sunscreens to the sun regularly, even after bathing on the beach.












