What is a common name for a benign outgrowth or extension on the skin?

A skin tag is commonly recognized as a benign outgrowth or extension on the skin. These small, soft, benign tumors often appear as small flaps or creases of skin and are typically harmless. They frequently develop in areas where skin rubs against skin or clothing, such as the neck, armpits, and eyelids. Skin tags are made up of collagen fibers, blood vessels, and epidermis, and while they can be removed for cosmetic reasons, they do not pose any health risks.

In contrast, warts are caused by viral infections and are a different type of skin growth, while moles are nevi that are generally pigmented and can vary in size and shape. Pimples, on the other hand, are inflammatory skin lesions primarily associated with acne. These differences are crucial for understanding the nature of various skin conditions and their classifications.