Bioderma Node A Shampooing Apaisant is a soothing shampoo designed for sensitive and irritated scalp. How does Bioderma Node A Shampooing Soothing Shampoo work?Gently cleanses.Soothes irritation and itching.Protects hair and gives it softness and shine. Bioderma Nodé shampoos with NOn-DEtergence formulas are based on gentle, non-invasive cleansing agents that preserve the biological balance of the scalp and hair, ensuring optimal tolerance. Node A Shampooing Apaisant contains a soothing and moisturizing ingredient that helps reduce scalp irritation and provides immediate relief. The patented DAF complex increases the scalps tolerance threshold for greater comfort.