A heightened cultural emphasis on youth and beauty has resulted in an increase in cosmetic surgery in the Western world. Lip augmentation is one of the most popular cosmetic procedures done because full lips are considered youthful and voluptuous. With reliable and improved techniques, it is possible to change the appearance of the lips utilizing injectable materials and surgical techniques. This article focuses on popular materials and techniques utilized to augment the size and volume of the lips—the most common are dermal fillers. Lip augmentation requires a thorough understanding of anatomy and managing patient expectations, available materials, and techniques.