Nasolabial folds are the facial lines that run in the shape of parentheses from the side of the nose to the mouth. Nasolabial folds are often referred to as nasolabial lines, naso labial wrinkles, n/l folds, and smile lines and can be fine or very deep wrinkles. Dermal fillers, such as Juvederm and Restylane, are often used to reduce the appearance of nasolabial folds.
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