Review Of How Long Does Hair Fusion Extensions Last References. They are bonded to the natural hair using specialized adhesive or. Web on average, fusion hair extensions last three to four months.

Also, you’ll need to visit your stylist to adjust these extensions every two months. In addition, the fusion keratin bond is more flexible. Web fact checked by erika harwood mae bendlin / byrdie in this article what they are benefits who is a candidate what to expect before and after keratin hair.