The use of essential oils is ancient. If initially it was still closely linked to medicinal therapies, the evolution of time and the growing concern with appearance and well-being dictated its more frequent application in the area of beauty. The uses and customs of cosmetics, beauty and hygiene are unavoidable in different societies today. Tradition and modernity are two keywords to refer to a Portuguese company, Ach. Brito, which has made its soaps known to the world through its brands Ach Brito and Claus Porto. With this book you will be able to better understand the path not only of the cosmetics sector but also of the company itself.