This product has been replaced by Matrix Inc. to a newer, improved formula, Matrix Biolage Antidandruff Shampoo - Pyrithione Zinc .
Matrix Essentials Actrol Dandruff Shampoo contains Zinc Pyrithione, one of the most effective anti-dandruff ingredients available for controlling scalp disorders. Unique Aionic and Amphoteric cleansing system gently cleanses. Contains menthol to cool and refresh scalp. Enriched with Allantoin to sooth and help heal irritations.