A gentle yet strengthening sulphate-free shampoo Schwarzkopf Professional Bonacure R-TWO, the resetting shampoo delicately cleanses and restores extremely damaged hair that has been chemically over-processed and physically stressed, actively helping in the re-bonding process. The pH-optimized, vegan formula balances out the pH level of extremely damaged hair, minimizing cuticle swelling during washing and maintaining the hair's moisture level.