Stress can negatively affect healthy hair growth in women. Plantur 21 contains caffeine, which is detectable on the scalp after just 120 seconds of application and revitalizes the hair roots with new energy. Additionally, micronutrients such as biotin, magnesium, calcium, and zinc contribute to its effectiveness. The Nutri-Caffeine Shampoo is specifically designed for colored and damaged hair. It contains care ingredients that repair externally stressed hair. Furthermore, the shampoo is silicone-free, ensuring that the hair is not weighed down.