A revolution in Brazilian straightening; contains hyaluronic acid: it is a biomolecule generated by our own organism and whose function is to ensure hydration of the different layers of the skin and hair providing firmness; it creates a hydration barrier so that it keeps the shape straight, avoiding frizz of the hair. Hyaluronic acid, in a straightening treatment, significantly reduces hair frizz, increasing straightening to more than 25%, and providing an anti-pollution barrier effect. Also contains keratin: keratin is a protein that acts by restructuring the hair by conditioning the hair fiber, as well as straightening and cauterizing, it will provide vitality, shine and manageability to the hair. Usage: Step 1; Wash hair twice with the clarifying shampoo/Brazilian straight deep cleansing (1), then rinse with plenty of water; Remove excess water with a towel and dry completely with the help of dryer; Do not apply the conditioner. Step 2; divide the hair into two parts and apply the Brazilian straightening treatment/smooth straightening treatment (2) with the help of a brush, then distribute the product from root to tips; make sure the application is homogeneous. Step 3; leave the product for 15 minutes; at the end of exposure time, remove excess with a comb; dry the hair with the help of a brush (separate bristles) and dryer, brush until the hair is completely dry. Step 4; Iron the wick hair 8-12 times at a temperature between 200o and 230o c; Iron the hair until the excess of the straightening treatment/Brazilian smooth straightening treatment (2). Step 5; Wash the hair with the post-treatment shampoo/Brazilian Straight Repair Cleansing (3) until removal of waste; Rinse twice if needed; then remove excess water and apply the conditioner/smooth Brazilian conditioner sealant (4), leave for 5 minutes and rinse with plenty of water; finally dry the hair with dryer. Step 6; done.