Tressa Zone Control Wave Tressa Color Products Are For Professional Use. Please Register To Purchase. If you have any questions about purchasing please contact us. The only waves on the market that rejoin all three bonds simultaneously by way of our patented Triple Bonding Neutralizer. Our waves guarantee a uniform, controlled curl pattern that mimics naturally curly or wavy hair while sealing and smoothing the cuticle, leaving hair shiny and in excellent condition. Easy maintenance starts on the first day. Shampoo immediately! Our systems approach allows you to choose the right wave and technique for every client, no matter hair type or condition. Features: Self-heating - no dryer heat required Stop action to prevent over-processing Ensures even wave pattern throughout multiporosity hair Recommended for rod to roller technique Tressa Wave Test Instructions Sink or Swim Test Float clean, dry hair in a bowl of water. After a moment, does it stay floating atop the water or does it sink under? Floating hair indicates healthy porosity, which means the hair is healthy enough to receive a chemical service. Hair under the water is too porous and should not be waved. Remove the hair from the water and towel dry it. Now you are ready to perform the IT test. Internal Tension (IT) Test Take the strand of hair between the thumb and forefinger of each hand, about 1.5-2 inches apart. Slowly bring your thumbs toward each other. The hair will form an arc. As you continue to move your hands together, the hair will suddenly twist and form a loop. The size of the loop indicates the size of the rod or tool you will need to use to shift the bonds in that hair. Tressa Zone Control Wave in Depth Specs Normal Zone Control pH 7.7 Zone Control takes control of the varying porosities and adjusts to the strength each hair strand needs. Dithio provides stop action when enough bonds have been shifted, avoiding overprocessing. Exothermic heat pump up the muscle of this acid wave. Expect a soft but supportive, even curl formation and volume. For hair types that have multiple porosities, normal, previously permed, or highlighted under 50% Not recommended for hair types that are tinted or double-processed bleached Techniques that work well with this perm are conventional, crop lop, and spiral
