Detailed answer

Circular scars are typically caused by conditions such as acne or insect bites that result in a localized, rounded mark on the skin. These scars often have a depressed or raised appearance. On the other hand, linear scars are formed when a wound or incision heals and closes in a linear pattern. They are usually straight and have a narrower shape compared to circular scars. Examples of linear scars include those resulting from surgical incisions or injury. The texture and healing process of these scar types can also differ. Circular scars may have more irregularities in texture and can be more difficult to fade, while linear scars tend to be smoother and may respond better to scar treatments.