Start or continue molecular hair restoration at home. The only patented bioactive peptide procedure that has been clinically proven to prevent and restore hair damage caused by chemical and mechanical styling. To use: 1. Wash with shampoo. DO NOT USE AIR CONDITIONER! Dry thoroughly with a towel. 2. Start with one pressure of the K18 Mask and add more if necessary, depending on the length, thickness and condition of the hair. Apply the hair evenly with one press, from the ends to the roots. 3. Leave on for 4 minutes. 4. DO NOT RINSE! 5. You can now use other products that do not need to be rinsed. Design as usual.