The Wella Professionals Fusion Mask is designed for damaged hair in need of some care. This luxurious, creamy mask contains Silk Amino Acids which aim to repair and protect hair against breakage and damage. Inspired by resilient spider silk, this mask restores strength to your hair by penetrating deeply into each strand. Add to damp hair and leave on for approximately 5 minutes. Your hair will be noticeably smoother, healthier and renewed.