Natural Treatment of Scars. Scars are areas of fibrous tissue that replace normal skin after injury. The human body isn't vain, it has a keen interest in survival. The main aim is to close the wound as quickly as possible and prevent bacterial infection - so instead of the usual organised lattice of collagen in normal skin, the body haphazardly lays down collagen to seal the wound as quickly as possible. There are various elements that will affect how a scar heals: size a