Journal of cosmetic dermatology
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The majority of aesthetic treatments today are nonsurgical or minimally invasive aesthetic procedures. Soft-tissue augmentation with hyaluronic acid (HA) is one of them. Lip fullness and definition are key aesthetic factors associated with attractiveness, which is the reason that lip augmentation with HA fillers has become so popular. ⋯ Based on the results of the studies included in this systematic review, HA fillers are effective and safe to use. The majority of included subjects were satisfied with the result and their looks.