In the video, a person is seen mixing a black substance with a brown substance on a white plate. The person uses their hand to mix the two substances together, creating a dark brown mixture. The plate is placed on a surface, and the person's hand is visible as they mix the substances. The black substance appears to be a liquid or semi-liquid, while the brown substance is more solid and grainy. The person's hand moves back and forth, blending the two substances together.