Squamous conditions on the body and scalp areassociated with excessively rapid epidermal cell renewal.The cells accumulate on the skin"s surface, creating scalypatches, which may be associated , in severe cases, withredness and itching.Opaque scales that look like thick dandruff appear on thesurface of these patches. Active Ingredients- Micronized Sulphur, a recognized keratin-regulatingactive ingredient, works to reduce scaly patch thicknessand helps eliminate flakiness.- Salicylic Acid, a keratin-reducing agent, completes theaction of sulphur acid in lifting dandruff off the surface.Kerytol helps rapidly soothe redness and itching withlong-lasting results. With its gentle cleansing base, the shampoo is alsowell-tolerated and pleasant to use. The complete formula of Kerytol P.S.O. Shampoo may be usedalone or in association with specific dermatological treatments. PSO = Patches.Scales.Opaque. Indication Severe dandruff states, opaque squamous patches. DirectionsUse 2 or 3 times a week for at least 6 weeks.It is recommended to use, either alternating or as follow-up,suitale Elution Shampoo for fragile scalps. Size200 Ml