The Kachita Spell Keratin Extreme Edition hair treatment straighten your hair without harmful changes of hair structure or your skin. It is a Keratin Treatment Formaldehyde Free, Natural Product and Anti-Allergic. The application is based on keratin which is a natural substance that restores your hair to its original healthy, silky and conditioned state. Is designed for all types of hair, for virgin as well as for chemically treated hair. The application time depend on the length and thickness of the hair, usually it is between 30 min to 60 min. <br>This product come with Kachita Spell Authenticity Seal. 100% Made in USA and designed Exclusive for USA and Online Market. <br><br>Use Instructions: <br>Wash hair with Kachita Spell K-Ready clarifying shampoo 2 times. Dry the hair 80% with hairdryer. Apply the product evenly, half centimeter from the root to tip. Dry hair 100% with a hairdryer and hair brush. Proceed to apply the iron to seal the cuticle. Let it work 30 to 60 minute, depending on the results you wish to achieve. Wash hair using Kachita Spell Sulfate-Free Shampoo. Dry hair with a hairdryer and hair brush. Finally proceed to apply the iron to seal the cuticle.