Sunken and hollow cheeks are give-aways of ageing appearance. Cheek fullness has always been associated with youthfulness and is viewed as a reflection of general well-being. As we age, our skin loses fat and collagen, thus contributing to the appearance of hollow cheeks, tired look under the eyes and sunken temples. Cheek fillers are one of Perth's best kept anti-ageing secrets and we're going to tell you why. Before we uncover the anti-ageing benefits, first lets discuss exactly what are dermal cheek fillers.