Iso Option 2 Damage Free Waving For All Types Of Color Treated Hair for tinted,High-lift, Highlighted, Bleached, Double Processed and Previously Waved Hair Damage Free, Thio-Free Formular Color : Option 2 As the innovator and leader in texture technology, ISO continues the tradition in keeping within trends of superior products that give you the power to volumize, curl, shape and style - without damage. ISO Option 1 for normal and previously permed hair: For great stand out style, this thio-free Wave Option is ideal for building definition through separation and loose, free-moving texture. Ideal for normal and previously permed hair. Gives lift and promotes movement through soft, loose texture. ISO Option 2 for every type color-treated hair: Exclusively formulated for tinted or color-treated hair. Option 2 brings gentle, yet effective wave action to hair. Thio-free and formulated with naturally derived isoamine™ to nourish and leave hair cuticle supple and smooth. Optimum curl results, healthy hair and color.