Wella Professionals Mirror Polish Finish Shine Serum. For full-on, red-carpet style, Wella Professionals Mirror Polish Shine Serum is hard to beat. It doesnt matter whether your hair is straight or curly, Mirror Polish will give it a high gloss finish with a hold level of 1 that radiates sophistication. It has an anti-frizz effect too that leaves a smooth, polished look. It