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Keloid Scars
Keloids are raised scars that grow beyond the borders of the original injury and spread into nearby healthy skin. Unlike a hypertrophic scar, which stays within the wound, a keloid keeps expanding, does not fade on its own and tends to return after treatment. It is the most complex scar to manage and the one that calls for the most caution.
Repair that never switches off
In normal healing, a signal tells repair cells to stop once a wound is closed. In a keloid, that signal never switches off: the cells keep producing collagen long after the skin has healed, and it spreads past the original wound into healthy skin. The healing process, in effect, has lost its brakes, which is what makes a keloid grow and persist.
What causes keloid scars?
Keloids reflect a strong, largely inherited tendency for healing that does not stop on time. A minor injury can be enough to trigger one, and certain skin types and areas are more prone. Understanding this terrain matters because it shapes both prevention for those at risk and the careful, individualized way keloids are treated.
Healing without a stop signal
The core of a keloid is repair that does not end. Long after a wound has closed, the cells keep laying down collagen, which extends beyond the original site into healthy skin. This is fundamentally different from other scars, where healing eventually settles, and it is why a keloid continues to grow rather than stabilize.
A strong genetic tendency
The predisposition to keloids is largely inherited and more common in deeper skin tones and in younger people. A family history raises the likelihood considerably. This genetic terrain is central: it means keloids are less about how a wound was treated and more about how a particular person's skin is programmed to heal.
A minor trigger is enough
A keloid can grow from something as small as a pimple, a piercing, a scratch or a vaccination, not only from major wounds. This disproportion between a minor cause and a large result is a signature of keloid-prone skin, and it is why avoiding unnecessary skin trauma matters for those at risk.
Why treatment is delicate
Any procedure that injures the skin, surgery, ablative laser or microneedling, is itself a new wound that can restart a keloid, sometimes larger than before. This is the central paradox: treating a keloid can feed it. It is why keloids are approached with caution, individualized planning and combined methods rather than a single aggressive step.
How to Prevent
Personalized treatments for you.
Platelet-Rich Plasma (PRP)
Platelet-Rich Fibrin (PRF)
Private Aesthetic Dermatology
