DERCOS Anti-Dandruff Dry is a shampoo for the treatment of dandruff in dry hair. At the DERCOS research laboratories we have discovered that one of the main causes of the appearance of dandruff is the alteration of the microbiome. With this, the anti-dandruff shampoo that acts at the source of dandruff has been developed to achieve immediate effectiveness and an anti-recurrence action for 6 weeks. Recommendations: In the first application, leave to act for 2 minutes and then rinse. In the following washes, massage into the hair and then rinse, for four weeks. Use two or three times a week.