Yes, CBD is legal in the Europe as long as it is sold following
guidelines and regulation designed to keep consumers safe. CBD is
classed as a novel food product and can be sold legally in the
Europe. This includes both online and in stores.
Though the current regulation around CBD is improving, the legality
around CBD oils can be vague. For this reason, you’ll see a lot of
retailers saying that a CBD product is legal as long as it contains
less that 0.2% THC.