The Ultra III Tech 3% Hyaluronic Acid Serum is a set of 30 vials, each containing 1.5ml of the active ingredient hyaluronic acid. This serum is designed for all skin types, with a main purpose of hydration. Made by the brand Ultra III Tech in the United States, it is specifically formulated for the face, making it suitable for both men and women. The product features skin repair properties and is perfect for those looking to improve the overall hydration and appearance of their skin. My Description: I use hyaluronic acid every day and love it. I keep a couple of these vials in my purse for some during the day plumping.