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Maturation and remodeling

As the phase progresses, the tensile strength of the wound increases. Collagen will reach approximately 20% of its tensile strength after three weeks, increasing to 80% after 12 months. The maximum scar strength is 80% of that of unwounded skin. Since activity at the wound site is reduced, the scar loses its red appearance as blood vessels that are no longer needed are removed by apoptosis.