ARGANICARE Silk Protein Serum is designed to be the ultimate hair product to fight frizz while disciplining even the most rebellious hair. It provides long-lasting protection against external environmental damage, improves hair texture and fights breakage. Your hair is visibly smoother and glowing with health. Directions for use: For daily use, apply a small amount of serum to damp hair, dry and style. Distribute the serum evenly. This will give your hair a healthy and natural look. For intense nourishing care, apply a generous amount of serum twice a week and leave the serum on for 30 minutes before rinsing with water.