The article describes a clinical case of a combined course of dermatoses with damage to the scalp, such as psoriasis and follicular lichen planus (LPP), proceeding like pityriasis amiantacea (PA), with the formation of a severe form of cicatricial alopecia. Clinical patterns of damage to the scalp in these diseases are presented, confirming the possibility of developing cicatricial forms of hair loss, the treatment method is described. This clinical case demonstrates the need to conduct a histological examination in patients with scarring hair loss in order to select the most effective treatment method. The variety of forms of cicatricial alopecia and their common clinical manifestations create difficulties in differential terms and require an integrated approach to their diagnosis. Proper control of inflammation can prevent the progression of cicatricial alopecia.