Matrix Opti Smooth Resistant

Matrix Opti Smooth is a permanent smoothing system for cold-smoothing or heat-straightening hair, in 3 custom strengths for normal, resistant or sensitized hair. The treatment helps protect, fortify, and condition the relaxed hair during the service to create soft, shiny, well-conditioned results.Enriched with pro-keratin, the system is enhanced with a unique interim treatment that contains a patented ceramide molecule to help protect, fortify, and condition the relaxed hair during the service, leaving hair feeling conditioned, soft and shiny.

For professional use only.
Matrix Opti.Smooth Resistant is designed for resistant hair.
The system can be used for permanent cold smoothing or heat straightening services.
Apply according to the Opti.Smooth professional service instructions supplied with the kit.
The smoothing system is followed by the Opti.Smooth conditioning neutralizer.
Always perform the appropriate hair analysis and follow the manufacturer's enclosed processing instructions.

Ammonium Thioglycolate, Pro-Keratin Complex (Amino Acids and Proteins)

The complete INCI varies between the individual components of the kit and is not published on the current official Matrix/L'Oréal product page.
Refer to the ingredient panels on the individual products for the complete current formula.