Yin Seal: Release

Yin Seal: Release is a powerful sealing technique developed by Tsunade that allows her to use the Creation Rebirth technique. Over a period of time, Tsunade will focus and build up chakra in the seal mark on her forehead. The release command will disperse the seal and allow the stored chakra to pump back into her body. It is seen during the Search for Tsunade arc that it heals all her current wounds and revives her to full health. However, this jutsu does not come without a price - Once the jutsu has been completed, Tsunade's body wrinkles up and makes her look older.