Goldwell Dualsenses Curls + Waves Hydrating Serum Spray instantly strengthens and moisturizes to reactivate and boost limp curls and waves. Formulated with Milk Protein and microPROtec complex that distributes essential care ingredients quickly and evenly for instant results you can see and feel, this easy-to-use spray will perfectly bundle curls and waves while controlling frizz for a radiant finish.