Jupiter Anti-Dandruff Restoring Serum soothes and restores the scalp. Clinically-proven Zinc Pyrithione treats dandruff while reducing itching between washes. Formulated with bio-peptides and MCT oil, this restorative leave-on scalp treatment is both sulfate-free and color-safe. Dermatologist-tested and clinically-tested, the serum provides a science-backed solution for a healthy scalp.