StriVectin SD Anti-Aging only $18.99 Posted on November 25, 2018 by The Goddess StriVectin SD Anti-Aging – Choose from Power Face Anti-Aging Serum or Intensive Concentrate for Wrinkles and Stretch Marks – for only $18.99 Shipped with this deal. Order two or more (you can mix and match) and the price drops to only $17.99 each.