A groundbreaking study from New Delhi has shed light on acne scars, showing they can extend nearly 2 millimeters beneath the skin's surface. This new perspective urges a re-evaluation of conventional treatments, which often fail to address deeper scars adequately.A groundbreaking study from New Delhi has shed light on acne scars, showing they can extend nearly 2 millimeters beneath the skin's surface. This new perspective urges a re-evaluation of conventional treatments, which often fail to address deeper scars adequately.