This professional formulation of Perenne's Clarifying Anti-Dandruff Shampoo is clinically proven to effectively eliminate dandruff at its source and prevent its recurrence. With regulating properties for sebum production and anti-fungal, anti-bacterial, and soothing abilities, this gentle, daily cleansing formula contains natural herbs and oils that combat hair fall and repair damage, promoting healthy, strong, and voluminous hair. Continued use reduces visible flakes and alleviates scalp irritation. Safe for colored and chemically treated hair, this sulphate-free shampoo is free of harmful chemicals and toxins.