Ducray Kertyol PSO Concentrate is a specialized skincare product designed for psoriasis-prone skin. This 100ml concentrated formula helps reduce scaling and soothes irritated skin while providing targeted care for psoriatic plaques. This product is part of a promotional offer where customers can buy 2 and get 1 free. As a specialized dermatological product, it should be used as directed by a healthcare professional. The concentrated formula comes in an easy-to-apply tube with a precision tip applicator for targeted application to affected areas.