The invention relates to a composition for preventing and/or treating dermatosis, in particular psoriasis, and to a method for obtaining same, which includes chamomile, thyme, bay leaf, hops, millet, barley malt, brewers yeast, willow, fenugreek (Trigonella foenum-graecum), salicaria (Lythrum salicaria), hibiscus (Hibiscus), olive oil, bees honey, aloe vera, oat bran, chicory, coparchy (Coutarea latifolia), Stevia, wheat flour, cypress, brewers malt, lanolin, elderberry, goldenrod (Solidago), witch-hazel, heal-all (Prunella vulgaris), and St Johns wort (Hypericum perforatum).Composición para la prevención y/o tratamiento de la dermatosis, especialmente de la psoriasis y procedimiento de obtención del mismo y que comprende manzanilla, tomillo, laurel, Lúculo, mijo, malta de cebada, levadura de cerveza, sauce, alhova (Trigonella foenum-graecum), salicaria (Lythrum salicaria) hibisco (Hibiscus), aceite de oliva, miel de abeja, aloe vera, salvado de avena, achicoria, coparchy (Coutarea latifolia), Stevia, harina de trigo, ciprés, malta de cerveza, lanolina, sauco, vara de oro (Solidago), Hamamelis consuelda (Prunella vulgaris), y hierba de San Juan (Hypericum perforatum).