Olaplex no.3 Hair Perfector is the Take Home Part of the Olaplex System, No.3 is used to repair & MainTain Hair at Home & Works to Repair Broken Disoulfide Bonds & Improits Hair Health, Texture & Strength. How to use: -Wash -Apply a generous amount of Product Number 3 to all Hair Strands, Avoiding the Roots A Little, and Comb it Well. -Wait for at least 30 minutes, then was a shampoo and conformer. The consumer part is used from once to twice a week to restore the broken bonds in the hair and return them to normal as it was before using chemicals and dyeing and exposing the hair to heat while adding clear smoothness and removing severe split end The end of the ends of the hair and combs well - wait for at least 30 minutes, then wash with shampoo and conditioner -