Hypertrophic Acne Scars are raised, lumpy and stay within the boundary of the original wound. They are less common than depressed acne scars. These raised scars tend to appear on the back and chest, but can also appear on the neck and face. They may decrease in size over time and are often the result of acne cysts. Learn more here: https://masterpieceskinrestoration.com/blog/acne-scar-treatment/