This shampoo provides rapid, long-lasting action thanks to specific anti-dandruff active ingredients. Its creamy texture makes it pleasant to apply. Key Components Guanidine Glycolate (patented active) Pyrithione Zinc Glycerin Indication Dandruff Scalp Discomfort How to use Apply to a damp scalp. Rinse. Reapply and leave on for 3 minutes. Rinse thoroughly. Use twice a week for 6 weeks. Avoid contact with the eyes. Starting 18 years old.