Expert scalp care serum that contributes to stronger and denser hair. Hair Rituel By Sisley Paris Revatilizing Fortifying Serum for the Scalp contributes to stronger and denser hair. Highly concentrated in plant-based extracts, proteins, vitamins and minerals, this fortifying serum energizes the scalp, making the hair more resistant. Fresh fragrance designed to complement the effectiveness of the active ingredients. Ultra light, non-greasy texture, ideal for scalp massage. It immediately soothes feelings of discomfort on the scalp and provides the hair with volume and tone. With each application, the hair becomes shinier, more radiant with vitality.