Prolonged inflammation of acne causes scars, post-acne. keloids. Sebum, total cholesterol, and LDL can influence. post-acne keloids. Therefore, this study aims to determine the relationship between levels of sebum, total cholesterol, and LDL with post-acne keloids to determine risk factors for post-acne keloids. This study used data on keloid classification, clinical features, sebum levels, tot…