The longevity of your extensions depends entirely on your home aftercare. By following our recommendations, you can avoid the need for an exchange or refill for years. Our wefts are securely sewn, so strands won’t simply fall from the weft—they’d need to be pulled down with considerable force to come loose, often breaking from the roots instead. Like natural hair, improper care—such as forceful brushing, sleeping with wet hair, or frequently tying hair too tightly—can cause breakage and accelerate the need for a refill. Typically, an exchange is only necessary when your natural hair grows to the length of your extensions, and you wish to go longer.