Ducray Neoptide Expert is a specialized hair serum designed to combat chronic hair loss and support hair growth. This double-action formula comes in a pack of two 50ml bottles and is specifically formulated to help with hair loss while promoting new hair growth. This product is a hair treatment serum that comes in a 2x50ml package format. As a specialized hair care product for addressing hair loss concerns, it should be used according to package instructions. The promotional offer includes a buy 2 get 1 free deal. Being a personal care product targeting hair loss and growth, specific claims about effectiveness or results are not included without verified clinical data.