Human Hair is a type of hair that is attached to the cuticle. Whereas, Synthetic Hair has been processed with synthetic hair fibers which resemble the texture and style of human hair. The main difference is human hair quality superior to synthetic hair quality. In fact, Human hair will last much longer and is more resistant to high heated styling products such as curling irons and flat iron. Human Hair is also more versatile when you are creating your desired hairstyle. Synthetic hair will be able to sustain heat to a certain degree, but may easily burn if the temperature is too high during styling.