Seborrheic dermatitisisalmost always causedby agenetic disorderthat involves theskin, the epidermis, the sebaceous glandandthe stratum corneum. In someindividuals, it causes more thanirritation,itching,inflammationanddescquamazionethe stratum corneum, a limitation of thenormalhair growth. As you can seefrom the photoon the left,abovethe'ear (area particularly preferredby the diseasealong with thefacial contoursand folds ofthe nose)there is a clearflakingdue in partto'actionandbacterialgenetics. Clearlyin these casesthe ultimate resolutionis not easy,but you can getvery good resultsby followingcertaincriteria inCosmetic hairtreatmentmethodT4. As you can seein the picturetothe right,the same placethey are no longernoticeableflakingandtookpartin colorandlook normal.