Concentrate for local application in psoriasis Kertyol PSO Concentrate can be used as a complementary treatment to psoriasis therapy, either as a supplement or after medication, for plaques on the scalp as well as on the body (elbows, knees, shins, etc.). The combination of celastrol, vederin, ichthyol, glycoic acid, and polidocanol it contains dissolves the plaques and provides intensive moisture. Psoriasis is a persistent, relapsing form of scaly skin disease. White to reddish scaly patches, known as plaques, form on the skins surface and are difficult to remove. Ducrays Kertyol PSO products offer supportive care to complement therapy. The appearance of dry and stubborn plaques can be improved. With anti-inflammatory and moisturizing properties. Itching and redness can be noticeably relieved. Dead skin cells are loosened, and the thickening of the plaques can be reduced as a result. The increased cell proliferation can be slowed down.