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As a wound heals scar tissue fills in the damaged places. While a scar may look quite dramatic after itâs first formed, over time its appearance, size and color naturally fade. On average, most scars can take 6 to 18 months to heal naturally. More severe scars can take years.
During this period the scar may appear red and be slightly firm and. raised. Over the next several months, changes in the rate of collagen produc-. tion and degradation occur. Normal healing results in normal types. and amounts of collagen in the area. On the surface, normal healing is. illustrated by the fading of redness and softening of the scar. I usually tell patients that it will take at least 1 year for the scar to.