Create a human mask that shows only the front part of the face, with a scary or unsettling design. The mask should have a smooth appearance without detailed textures like pores or veins. The face should be neutral but with a subtly disturbing expression, such as an empty smile or hollow, pupil-less eyes. Use simple shapes and pale or faded colors to create a sense of unease. The mask should be symmetrical but with slight imperfections to enhance discomfort