Wella Professionals Elements Renewing Leave-in Spray is a de-stressing and detangling spray for all hair types. This gentle leave-in spray protects hair from daily mechanical stress (combing or heating tools) and breakage, while it hydrates and tames static or frizzy hair. Elements Renewing Leave-in, formulated without silicones, leaves hair feeling nourished and moisturized. Your routine to soften dry hair.