The Essential Use of SmartLiss was developed with intelligent technology and can be used daily before finishing products, such as hair dryers and straighteners, providing longer-lasting results. With a formula enriched with Semi di Lino and Silk Protein, which provide the hair with reconstruction, sparkling shine, and is also a product with effective action and an anti-frizz effect. Protecting the hair is extremely important to keep the fiber intact and restored, to reduce porosity and seal the cuticle. It offers 5 levels of protection: Heat, UV, Salt, Chlorine and Frizz. The essential use forms a waterproof film against humidity. Provides 4x less breakage. No knots. Thermal protection up to 230ºC. It should be applied every time you wash your hair. For curly hair, it is a great curl activator and day after.