NAK Structure Complex professional range is an in-salon service for all things chemical. Designed to prime hair, build bonds and buffers existing bonds helping to prevent breakage and structural stress.

This is a three-step system which begins with No.1 Bond Builder and is completed with No. 2 Bond Enforcer. No. 3 Bond Enhancer is a twice weekly take-home treatment designed to enhance and sustain newly formed bond-building technology.