Matrix Opti Smooth + Pro Keratin - Sensitized Keratin Treatment Gives you the ultimate colour

Gives you the ultimate colour flexibility as you can maintain the exact shade you want

and protects hair from environmental damage

pH balanced to close & smooth the cuticle

Lightweight formula that won’t weigh hair down

Perfect in-between blade for edge-ups and removing bulk

Matrix Opti Smooth + Pro Keratin - Sensitized Keratin Treatment Gives you the ultimate colourMatrix Opti Smooth is a permanent smoothing system for cold smoothing or heat straightening 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