Biorga Cystiphane Anti Hair Loss Shampoo is a gentle shampoo that is ideal for countering hair loss, thanks to its blend of active ingredients that are essential for healthy hair. An innovative formula for advanced action. Zinc pyrithione slows hair loss and increases density. The Cystine precursor and vitamin B6 protect the hair bulb from external elements. Hyaluronic acid prevents hair dryness and reduces scalp irritations.