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Dr Daniel Glass
The Dermatology Clinic London
What causes keloid scars?
Dr Daniel Glass lists some of the causes of keloid scars, which results in the over healing of the skin. It seems to be hereditary, and can result from minor trauma or even an insect bite.
Transcript
So we don't really understand exactly why keloid scars form, but your skin is overhealing. And there is a genetic element to it. So if people in your family have keloid scars, it's more likely you may develop a keloid scar They can develop after minor traumas. So you may not be aware of any trauma. They can develop after an insect bite, after minor surgery, or even an ear piercing.