Universal Defense Serum for Unbalanced Scalps

The protective strengthening serum by Kérastase for unbalanced scalp. With Bifidus Prebiotic fractions that nourish and treat to strengthen the scalp microbiome and maintain a strong and protected skin barrier. It includes a Vitamin C derivative that protects against external factors and oxidation. Can be applied after any Kérastase treatment and is ideal for preventing and treating scalp discomfort after coloring or bleaching.