Before you dive into painting exaggerated features, you must understand the underlying machinery of the face. A stylized face still breathes; it still turns in perspective; it still has bones beneath the skin.
The "style" lives in how you draw the features. Before you dive into painting exaggerated features, you
Stop painting floating heads. How does the blue light from a smartphone screen interact with the face in the dark? How does golden hour light wrap around the brim of a hat? The stylization of the environment must match the stylization of the face. it still turns in perspective