ISO Hair Care Products. ISO is the leader in the professional hair industry with advanced waving technology- prescriptive-based texture products- and long-lasting- luminous haircolor. As an exclusive professional-only salon brand- ISO has earned a reputation as the preferred stylist choice for its innovative formulations.ISOs award-winning- patented- damage-free Option Waving system has been voted the Stylist Choice from BehindTheChair.com for ten years in a row. With four different thio-free formulas- stylists can texturize with confidence and ease to create natural-looking results.ISO products includes their award winning Bouncy Creme. Many of their products are great for Curly Hair. ISO products include their Daily Line- Hydra- Bouncy- Color Preserve and Tamer. ISO also features their stylist choice award winning Perms.