Olive and jojoba oil shampoo to restore strength and flexibility to abused hair. Rehab is shampoo for hair that’s been abused and needs some rest and relaxation. It doesn’t take long for this shampoo to restore your hair to youth and vitality. Enzymic papaya cleanses, while almond oil softens the follicles. Once your badly conditioned hair has been put into Rehab, you will never look back.