1 New Box Bayer Priorin Liquid Hair Loss Treatment 50ml1 Month SupplyPriorin Liquid is designed for external application and utilizes a special formulation of the ingredient complex Baicapil TM (scoured from plants) as well as pro-vitamin B5 to promote a noticeably denser and fuller hair after only a few weeks.The plant-based Baicapil ingredient complex of Priorin Liquid targets the hair root, supports the hair growth cycle, contributes to natural hair growth and reduces age-related hair loss, while Pro-vitamin B5 moisturizes the hair and is also converted into vitamin-effective pantothenic acid.