Wella Professionals Shimmer Delight Finish Shine Spray. For that final finishing touch to your hair style, Wella Professionals Shimmer Delight is simply superb. Its special formula is designed to enhance the natural lustre of your finished hair style, giving your hair a shine that gently shimmers and looks amazing. Application is a simple arms-length spray, then allow the mist to settle and watch the shimmer develop in your hair.