Plantur 21 has been developed for colour treated and stressed hair. Caffeine activates the hair roots and improves hair growth. It contains conditioning agents that repair the externally stressed hair. Contains no silicones and leaves stressed coloured hair, soft, shiny and full of life. Plantur21 Nutri-Caffeine Shampoo helps to prevent an energy deficit in the hair roots. The caffeine in Plantur 21 primarily slows down degradation of the important energy carrier cAMP. It can be detected at the hair root after just 120 seconds. An additional effect comes from the valuable micro-nutrients found in Plantur 21 such as biotin, magnesium, calcium and zinc. They are important factors for healthy and shiny hair. The Nutri-Caffeine Shampoo has also been developed for color-treated and stressed hair. It contains conditioning agents that repair the externally stressed hair. This represents no burden on the hair, since no silicones that weigh down the hair are used. Caffeine activates the hair roots and improves hair growth. Biotin regulates the hair roots\' energy balance and makes a contribution to maintaining healthy hair. Zinc is the most important trace element in the hair and a factor for healthy hair roots. Calcium and magnesium improve the hair roots\' resistance.