Filler injection is a medical procedure that is being done to improve one's aesthetic appearance. Filler injections can be used to restore the face to become wrinkle free. Get to know the various types, benefits, and risks of injecting fillers. Facial fillers are materials that can be used to disguise fine wrinkles or scars on the face for a certain period of time. Filler is also sometimes used to thicken the lips. This material is generally given by injection directly into the face, so this procedure is often referred to as injecting fillers. Six Main Types of Fillers There are various types of fillers that can be used. Different facial areas require different types of fillers. Each type contains different ingredients with certain effects on repairing facial skin. Here are some common types of fillers that are available, along with their characteristics. Hyaluronic acid Hyaluronic acid is a natural part of your skin that generally decreases with age. To perform filler inje...