For sensitive scalp. Sensitive Shampoo S1 is particularly mild to the scalp and hair. The active ingredient complex containing caffeine helps the scalp to maintain and stabilize its barrier function. It protects the hair root and strengthens the hair. The skin's own defenses are strengthened and the scalp is protected against harmful environmental influences.Allantoin is a natural protection against itching and inflammatory processes, especially for sensitive and easily irritated scalps.Panthenol is a provitamin of the B group, gives the scalp and hair a moisture reservoir. Feelings of tension are reducedAmino acid surfactants gently cleanse hair and the sensitive scalpCaffeine activates the regeneration of the skin and strengthens the skin barrier so that the skin remains resistant to external influencesWith patented skin protection activator [Pat.nr. EP1396261B1].In case of hereditary predisposition to hair loss, we additionally recommend a daily scalp massage with Alpecin Liquid.