The short answer is yes, as it is technically classed as a medicinal product and it's even now sold in popular high street stores now too as well as online!
Confusion tends to arise when differentiating between black market Cannabis Oil- a thick, sticky oil like substance derived from cannabis flower resin and containing high levels of THC as well as CBD, and CBD Oil itself derived from hemp and containing less than 0.2% THC.
The level of THC (tetrahydrocannabinol) can determine whether a cannabis derived product is classed as legal or illegal, as this is what gives users a 'high'. CBD products contain only miniscule trace amounts of CBD, so you get the benefits of Cannabidiol but without the psychoactive effects!
Always ensure you purchase your CBD products from reputable vendors if you are unsure- stay tuned to POTV as we will have an article up shortly detailing some of the top UK vendors for CBD!