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What exactly are scars?

Stuart A. Linder, MD
Plastic Surgery

A scar is simply a body's final response to a trauma to the skin. Healing of the wound through secondary intention includes wound contraction, re-epithelization with cells including fibroblast and myofibroblast and collagen formation. The final scar healing may be associated with thickened scars including keloid and hypertrophic scars, widespread scars, or discoloration of the scar including hyperpigmentation or hypopigmentation.

Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)

A scar is the body's response to trauma, and it shows that the body is working to heal itself. Scars are composed mostly of the protein collagen, which your body uses as a foundation for healing your tissue.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.