Bio Valley Dead Sea Shampoo Based on herbal formulation Bio Valley Dead Sea Shampoo has a unique blend of natural herbs like ginko biloba, Dead Sea salt. It cleanses pores on the scalp and dead cells on the scalp. It rejuvenates damaged hair and also detoxifies scalp. Ginkgo Biloba a key ingredient helps in increasing blood flow to the head which increases oxygen supply to follicles and promotes hair growth. It can be safely used by both men and women.