Spotty lips. These are labial melanotic macules, kinda like freckles on the lips. They are mostly due to age and sun exposure, but sometimes they run in families and are associated with Pigmentation on the oral mucosa, hands, and feet European Journal of Internal Medicine Simple cryosurgical treatment of the oral melanotic macule ScienceDirect Pigmented Lesions of the Oral Mucosa Springer Nature Link Pigmented (Purple or Brown) Lesions in the Mouth Pigmented (Purple or Brown) Lesions in the Mouth Kazemi Oral Surgery Facialart.com