A concentrated, multi-active soothing serum for sensitive scalp Enriched with Zanthoxylum alatum, a perennial plant used in Chinese medicine Helps instantly relieve irritation & itching on scalp Leaves the scalp calm & comfortable Great for use after an anti-dandruff treatment or for scalps with sebum hyper-production & dry scalps To use: Apply to sensitized or itching areas on scalp. Massage in until completely absorbed. No need to rinse off