... more effec-tive. In a prospective, randomized, double-blind, parallel-group, dose-ranging study of 48 weeks, 60 women received 16, 32, or 48 U BTX-A Advanced Cosmetic Use of Botulinum Toxin Type ... RestylaneÕcontains 20 mg/mL of partially cross-linkedHA in preloaded 0.4, 0 .7, and 1.0 mL syringes. It is injected via a 30-gaugeneedle usually under local anesthetic.Restylane–Fine LinesÕis ... lasting) injectable available. In soft-tissue augmentation,silicone is injected using microdroplet technique into the subdermal spacevia a 30-gauge needle. After being injected, the silicone induces...