A scar is a permanent patch of skin that grows over a wound. It forms when your body heals itself after a cut, scrape, burn, or sore. You can also get scars from surgery that cuts through the skin, infections like chickenpox, or skin conditions like acne. Scars are often thicker, as well as pinker, redder, or shinier, than the rest of your skin.
Before we begin: A scar is a permanent patch of skin that grows over a wound. It forms as your body heals itself. Learn about types, including keloids, and treatments.
This tutorial walks you through everything you need to know about scars. We explain it in plain language, step by step, so whether you are a student, a patient, or simply curious, you will come away with a solid understanding.
We cover what it is, why it matters, how it is diagnosed, and what you can do about it. Key facts are called out along the way.
How your scar looks depends on:
How big and deep your wound is
Where it is
How long it takes to heal
Your age
Your inherited tendency to scar
Scars usually fade over time but never go away completely. If the way a scar looks bothers you, various treatments might minimize it. These include surgical revision, dermabrasion, laser treatments, injections, chemical peels, and creams.
Also known as: Cicatrix, Keloid scar.
Related topics: Cicatrix, Hypertrophic Scar, Keloids.
Categories: Skin, Hair and Nails.
Source: National Institutes of Health — National Institute of Arthritis and Musculoskeletal and Skin Diseases.
Key Takeaways
Understanding scars is an important part of taking charge of your health. Here is what to remember:
- Know the signs — Recognizing early symptoms can lead to earlier diagnosis and better outcomes.
- Talk to your provider — If you have concerns or a family history of this condition, bring it up at your next checkup.
- Stay informed — Medical knowledge evolves. Keep learning and asking questions.
- You are not alone — Many people deal with this condition. Support groups and educational resources can help.