Its formula removes scalp's scales. Surfactants and a physiological PH gently cleanse and do not attack scalp.EFFECT: antiseptic, exfoliating, sanitizing and refreshing action.INTERVENTS: Zinc pyrithione, eucalyptus, Tea Tree Oil.USE: apply the product on scalp. Massage gently. Leave on for 2-3 minutes and rinse off carefully. We suggest 2 applications.