When should an acrylic overlay be replaced if applied correctly?

An acrylic overlay is designed to provide a durable and long-lasting enhancement to the natural nail. If applied correctly, it can remain in good condition indefinitely, which is why the concept of "never" needing to be replaced holds validity. Proper application involves ensuring that the acrylic is cured correctly, bonded well to the natural nail, and shaped appropriately. With good maintenance, such as regular filling as the natural nail grows out, an acrylic overlay can continue to function effectively without needing to be removed or replaced.

In practice, while it is important to monitor the state of the overlay for any signs of damage or lifting, a well-applied acrylic overlay does not have a set timeframe for replacement purely based on time. Instead, it should be replaced only when the user experiences issues such as chipping or lifting, or if they desire a new design. This reinforces the idea that proper care can keep an acrylic overlay stable for an extended period.