Hair loss is a frequent cause of patient consultation in dermatology. It is known to have a strong impact on patients' quality of life for many reasons; such as esthetic aspect, financial implications, social consequences. Numerous studies have assessed the impact of some types of alopecia on patients' quality of life. One study compared the quality of life in patients with scarring alopecia with patients of non-scarring alopecia. No studies have compared quality of life between the different types of scarring alopecia nor different types of non-scarring alopecia. However, none have assessed the impact on the patient partner quality of life. In addition, few treatments for alopecia are covered by national health insurance in France. The main objective is to compare the impact on the quality of life in different types of alopecia. By using the average scores of the questionnaire Dermatology Life Quality Index (DLQI) for each type of alopecia.

Inclusion Criteria:

• patients affiliated to social security
• patients able to understand and fill out a questionnaire
• patients over 18 years old
• patient consulting in the dermatology department of Amiens University Hospital for a primary alopecia

Exclusion Criteria:

• minors
• patients under guardianship, deprived of liberty
• scalp affections other than alopecia
• secondary alopecia

Every patient consulting in the dermatology department of Amiens' University Hospital for a primary alopecia will have to fill out 2 questionnaires of quality of life: one general (DLQI : Dermatology Life Quality Index) and one specific (Hair Specific Skindex 29). Every patient partner will have to complete one questionnaire of quality of life: FDLQI (Family DLQI).