A hairstylist cape device prevents runoff down a person's shirt. The device includes a flexible panel. An aperture is positioned in the panel between first and second ends and between lateral sides of the panel. A dorsal portion of the panel extends from the aperture to the first end of the panel. A flap is coupled to the panel proximate the aperture wherein the flap extends from the aperture over the dorsal section of the panel. Lateral edges of the flap extend freely away from the panel wherein the flap is configured to extend into a basin inhibiting water from coming out of the basin between the basin and the dorsal section of the panel.