The young, English cult brand good hair day can also be found in exclusive hair salons all across Germany. The all-round programme for heat-styled hair was created in 2001 by the hair stylist Martin Penny. It offers everything the heart desires. The third treatment level consists of products with heat-activated ingredients for creating different looks. Thermodynamics was specially developed for this hair care. It is a professional hair and beauty system with a guaranteed satisfaction factor. The assortment consists of high quality products, which cleanse, nurture, protect and style hair. The Thermodynamics devices were developed with the basis of the latest research results. The secret tip for the runway and the red carpet is the good hair day styling iron: it is the first choice for supermodels, stylists and stars across the world. The special thing about the straightening iron: it is not only suitable for straightening hair, but it can also create perfect waves and curls regardless of your natural hair texture.