Abstract
Objectives: The current study is designed to compare between low molecular weight and high molecular weight hyaluronic acids used in lip augmentation. Material and method: 36 patients were randomly divided into two group: Group A Lip rejuvenation was performed with Juvederm Volbella with Lidocaine.Group B Lip rejuvenation was performed with with Restylane-L Follow up: done at 1 and 14 days after each treatment and at 1 and 6 Months also. Lip fullness assessed from 3D facial images using Allergan lip Fullness Scale ,the Linear measurements in the form of Vermilion show and lip projection, the symmetry and aesthetic features of the lip analyzed also from 3D facial images. Results at the present study, According to the post injection lip fullness scale when compared to the base line, the change in group (A) injected with Juvéderm Volbella with Lidocaine were( 88.89% )compared to group (B) injected with Restylane-L were( 83.33%), this indicates very high improvement in the each group ,the total change improvement were ≥1-point improvement in both groups ,however improvement in group (A) were more than group (B) but this is statistically insignificant Conclusion : Regarding the effectiveness and duration of Lip augmentation there was no significant difference between Juvederm vollbella and Restylane-L