Biotherm is looking to up the ante in its celebrity presentation. In February 2012, it tapped tennis player Milos Raonic as the face of Biotherm Homme. Now, the L’Oreal-owned comany named actress and model Amber Valletta as the new spokesperson of Biotherm’s Blue Therapy anti-aging skin care collection. Valetta can currently be seen in the television show “Revenge,” but she iis also known as one of the most famous supermodels of the 1990s. More info: www.biotherm-...