- Instantly strengthens and moisturizes the hair fiber and reactivates limp curls and waves. Perfectly bundles and controls frizz. With heat protection. Milk protein helps to improve elasticity with bouncing effect, for hydrated and reactivated curls. Dualsenses Curly Twist for naturally wavy, curly and permed hair specifically hydrates and defines for weightless bounce and elasticity. Goldwell Dualsenses uses the new innovative microPROtec complex distributes essential care ingredients quickly and evenly for instant results you can see and feel. All Dualsenses products contain the same trusted color protection to reduce color fade-out. Also the improved FadeStopFormula is included in all of Dualsenses shampoos achieving exceptional reductions in color wash-out during shampooing.