Acne scars are a broad term encompassing various types of scars left behind after acne breakouts. They can manifest as pitted, raised, or discoluored marks on the skin. Atrophic scars specifically refer to scars by a loss of collagen and can be challenging to treat. They appear as depressions or indentations in the skin. Treating Acne Marks: Unveiling the Ingredients - Retinoid (Available both as prescription - Retin-A/Retacynl, and over-the-counter options like retinol, adapalene - Differin). T