Wella Care Fusion range. The Wella Care Fusion range is a Premium range from Wella Professionals. This range is intended for hair in need of intense repair. In addition to repairing your hair, Care Fusion treatments will bring shine and suppleness to your hair. Your hair will come back to life and will be easy to comb. Wella Professionals has formulated this range from silk amino acids and micronized lipids to generate your hair from the inside out. Give your hair the prestige care it deserves with Wella Care Fusion.