c9323d i-STRAIGHT SYSTEM"'`-- Permanent Straightening System true false The i-Straight System is the most effective, permanent hair straightening system. Utilizing 3 different solution strengths, each one is tailored to treat different texture, curl type, and condition. There is a solution to meet the specific needs of each individual. The 3 different solutions can also be mixed with each other to form a custom made solution that will work for that particular condition of hair. Made with the finest ingredients, i-Straight Systems will give hair a soft feel and a natural brilliant shine. ***