Fractionated Coconut Oil is safe for human consumption because it's the same coconut oil that you consume but it's just gone through a process to make it more liquid.
Fractionated Coconut oil can cause some people some digestive issues but not everyone will experience those digestive issues.
Fractionated Coconut Oil or any other oil that is fractionated is oil that goes through a process to have the long-chain fatty acids removed via hydrolysis and steam distillation.
When the fractionated oil becomes fractionated it becomes liquid at room temperature, and extends the product's shelf life.
The Fractionated oil is just made into a different form but the oil is still the same.
You can still eat the fractionated coconut oil or use the fractionated oil as normal but some people use fractionated oil for hair and skin.
That's the only difference between regular oils and fractionated oils is that it's liquid because of the fractionated process it goes through.