The Bayer Priorin Shampoo is made from herbal extracts that strengthens the hair structure and stimulates hair growth. This natural and highly efficacious shampoo thickens hair for a fuller appearance and help in nourishing thinning, weak and damaged hair. It is very effective compared to many other shampoos and its performance is rapid and effective. The Bayer Priorin Shampoo contains natural plant extracts and vitamins which help activate all the cells at the bases of the hair root and help to completely stop the process of hair loss or any form of hair thinning.