Wella Professionals Enrich Repair Serum. Repair distressed hair with Wella Professionals Enrich Repair Serum. Containing natural silk extract, this leave-in serum instantly repairs damaged tresses and protects against free-radicals. Wella Professionals Enrich Repair Serum intensely nourishes and boosts hair vitality, leaving it looking fresh, glossy and rejuvenated. Ideal for distressed hair thats been damaged by styling, heat or colouring, its the perfect quick fix to get your hair looking good.