ZARQA Magnesium Revitalising shampoo is a gentle shampoo that gives the hair and scalp an immediate boost. Highly concentrated Magnesium has a revitalising effect, it promotes cell renewal and actively supports hair growth. The result is a healthy, hydrated scalp with fuller hair and a natural shine. Perfect for those with thin, dull and lifeless hair Ideal for sensitive scalps. Gentle enough for daily use. Directions: Massage in to wet hair and leave to work for a while. Then rinse hair thoroughly. Repeat if necessary.