Cistus treats for dogs and cats Natural support for the season, completely without chemicals! Are you looking for a natural alternative that will get your four-legged friend through the summer? Our biologists have incorporated over 40 years of experience into the development of our cistus tablets to support the skin defense of dogs and cats. The proven formula consists of the ideal ratio of B vitamins and essential oils. These ingredients have always been said to have a positive effect on the immune system, immune system and skin. In this way, our cistus tabs support carefree nature adventures even in season.