What is the technical term for a wrinkle?

The technical term for a wrinkle is "rhytide." This term comes from the Greek word "rhytis," which means "wrinkle" or "fold." In dermatology and esthetics, a rhytide specifically refers to a fold or crease in the skin that typically develops with aging and other factors such as sun damage and dehydration. Understanding this terminology is important for estheticians when discussing skin conditions and treatments with clients, as it helps convey a professional understanding of the skin's aging process.

Other options presented do not accurately represent the concept of a wrinkle. For example, "skin fold" generally refers to any fold in the skin and is not specific to the type of wrinkles associated with aging. "Verruca" is another term that refers to a wart, which is a completely different skin condition caused by a viral infection. "Slaggy skin" is not a recognized medical or technical term relevant to the description of wrinkles or any skin condition.