Wella Professionals Elements Renewing Leave-in Spray is a stress-reducing spray that dissolves tangles for all hair types. This gentle leave-in spray protects hair against daily mechanical stress (comb or heat tools), while moisturizing and taming static or frizzy hair. Elements Renewing Leave-in is made without silicone and nourishes and moisturizes the hair. Your leave-in spray to soften dry hair.