Ideal for those with long hair with thin or split ends, the L’Oréal Professionnel Pro Longer Shampoo and Conditioner Duo offers a two-step routine to visibly thicker, fuller-looking strands. Set Contents: Serié Expert Pro Longer Shampoo 300ml Use this nourishing shampoo, infused with a signature amino acid blend, to promote a thicker, more volumised appearance to your hair. Serié Expert Pro Longer Conditioner 200ml Follow with this hydrating conditioner to help reduce the appearance of breakage and split ends.