This strengthening conditioner is step two in the Rusk Sensories strengthening process. Used regularly with Sensories? Healthy? Blackberry and Bergamot Strengthening Shampoo, it works to repair hair?s foundation in the fibers that need it most. Weak, stressed hair will be gently conditioned with RUSK? Sensories? Healthy? Blackberry and Bergamot Strengthening Conditioner and returned to its natural luster and shine.