Revox B77 Plex Bond Perfect Formula is the second step of the advanced Revox B77 hair reconstruction system. Created specifically for professional use to reduce hair damage after chemical hairdressing treatments, protect hair from further damage and prepare it for styling. The intensely restorative formula works to repair hair porosity from within. When combined with Revox B77 Plex Bond Multiply Formula in the salon, it completely transforms hair. Protects color and is beneficial for all hair types. - Strengthens chemically treated hair - Restore broken links - Protects hair from further damage. How to use For professional use only It is used with a chemical treatment: 1) After the indicated processing time of the dye mixed with Revox B77 Plex Bond Multiply Formula, lighten the hair. 2) Apply a generous amount of Plex Bond Perfect Formula to towel-dried hair from roots to ends. 3) After 5 minutes, shampoo and condition. For best results, use Plex Bond Care Shampoo AND Plex Bond Care Conditioner. Used individually: 1) Rinse and towel dry hair. 2) Apply a generous amount of the product, focusing on the most damaged areas, and leave it to act for 5 minutes. 3) Shampoo and condition.