• Apply pH-Bonder Post Service Perfector once a week. 

• Before shampoo, apply on wet, towel-dried hair. 

• Massage into your hair from roots to ends. 

• Leave on for at least 10 minutes. 

• Rinse. 

• Follow with your regular Redken SHAMPOO and CONDITIONER. 

Read the instructions for use carefully. In case of contact with eyes, rinse them immediately.