Bioderma Node K - Emulsion Concentrate 100 ml I discovered the effectiveness of the Bioderma Node K emulsion concentration, a treatment specially designed to calm and rebalance the sensitive scalp. Formulated with mild ingredients, this product helps to eliminate scales and itching, while providing the necessary hydration for a healthy scalp. With a light and non-greasy texture, this emulsion concentrate is suitable for frequent use. Give your scalp the care it needs with Bioderma Node K - Emulsion Concentrate 100 ml