parenthesis line
 n.— «Juvederm…ULTRA can be used for deep facial wrinkles and folds commonly known as the “parenthesis lines” around the mouth and lower face area.» —“The Juvederm(R) ULTRA Range: Next-Generation Dermal Filler Treatment for Facial Wrinkles and Lines Now Available in the UK” FOX Business Feb. 7, 2008. (source: Double-Tongued Dictionary)

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