Catherine Pez, an ardent believer in natural beauty, has taught her facial gymnastics method for several years. She is convinced that muscles have a significant role in the architecture of the body as well as the face. She has successfully developed a method to exercise facial muscles and maintain the tone of the entire face. Her book explains that the muscles underneath the skin of the face have a real effect on its firmness. Catherine regularly gives presentations and workshops as well as thalassotherapy skin sessions. She lives in Paris, France.