What type of suture material is most commonly used for skin closure due to its minimal tissue reaction?

Non-absorbable sutures are the most commonly used material for skin closure primarily because they create minimal tissue reaction, allowing the skin to heal without the risk of excessive inflammation. These sutures remain intact until they are removed, providing reliable support to the tissue during the healing process. Their composition, often made from synthetic materials such as nylon or polypropylene, is designed to minimize the body's inflammatory response, which can be crucial for achieving optimal cosmetic results in skin healing.

While absorbable sutures may also be used for internal closures and certain skin applications, they are typically designed to dissolve over time and may not provide the desired long-term support for skin edges that require stable approximation. Silk sutures, though they have been traditionally used and provide good knot security, are known to elicit more tissue reaction, making them less favorable for skin closure in contexts where minimal reaction is essential. Wire sutures, although strong and durable, are not practical for skin closure, as they can irritate surrounding tissues and are generally used in applications requiring more substantial support like orthopedic procedures.

Overall, non-absorbable sutures strike the right balance between strength and minimal biological response, making them the preferred choice for skin closure in many surgical procedures.