Matrix Opti Smooth Normal Birch Extract There's even UV filters to

There's even UV filters to protect from harmful heat damage

it is one of the best sellers in the hair straightening category

A cruelty-free and ethical formula

Premium hair styling product from Italy

Matrix Opti Smooth Normal Birch Extract There's even UV filters toMatrix 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