Yes, you can reuse the nails. Also, don't forget to save the extra unused nails for the next mix & match mani.​
Re-application instructions:
1. Remove the excess glue from the bottom of the LÓA nail and your natural nails using the nail file.
2. Disinfect your natural as well as the LÓA nail.
3. Follow the application steps for Long or Short Wear.