The thyroid is an odd endocrine gland located in the neck. Hashimoto’s thyroiditis is a diseases of the gland which often leads to changes in skin and its appendages. The aim of this study was to investigate the relationship between hormonal disorders due to chronic autoimmune thyroiditis and skin, hair and nails conditions. This article presents the results and conclusions of a survey conducted in a group women suffering from Hashimoto’s thyroiditis, diagnosed for at least a year. The conclusions from the questionnaire showed that Hashimoto’s disease adversely affects skin, hair and nails.