- 1x Olaplex Intensive Bond Building Hair Treatment No. 0 (155ml)
 Apply No. 0 to DRY hair, massaging your hair strand by strand.
 Leave on for 10 minutes or more. DO NOT RINSE.
 Apply No.3 Hair Perfector over the hair, combing as needed. Leave on for at least 10 minutes up to 1 hour, ideal overnight.
 Rinse off and apply Shampoo # 4 and Conditioner # 5.
 The OLAPLEX Bond Strengthening Intensive Hair Treatment Kit is intended for use once per week by the customer at home. If the hair is very damaged, it can also be used 2-3 times per week. Use the two-part system once a week or two to three times a week for severely damaged hair.