HeyCurls clip-in hair extensions are manufactured with considerable care and the hair we use is of great quality. The longevity of your clip-in hair extensions depends on the love and care you provide, the type of products you use on them, and how often you wear them. With proper care, you should be able to enjoy your natural hair extensions for a very long time. Usually, they last 6 months to 1 year or even longer. You receive a care instruction card, with every purchase, with instructions on how to maintain your HeyCurls clip-in hair extensions.