Olaplex Bond Multiplier No.1 - 100ml(3.3oz) 

Multiply and rebuild bonds to eliminate breakage. Add directly to every mixture of lightener or color service.  New sealed container 3.3 oz. Protects your hair from breakage during chemical services. Bond Percetor No.2 is sold separately

As a tool, use the Olaplex Bond Multiplier No.1 adding it to lightener or color. Finish by applying Bond Perfector No.2 after color is rinsed from the hair to eliminate breakage with every color service.