Assessment of Circulating Fubctional Mitochondrias in Vitiligo Patients

The subjects will be selected from among those presenting for the consultation or hospitalization of the Dermatology department of the CHU de Nice. All necessary information will be given to the subjects and a briefing note will be given to them. A reflection period will be left for the subjects to sign the informed consent, and if necessary, another appointment will be scheduled for the inclusion visit. The Investigator: * Inform the subject of the goals, constraints and risks of the study and obtain written consent. * Conduct an examination of the subject's medical history Will verify that the subject meets all inclusion criteria and does not present any of the criteria for not including. If the subject consents and they meet all the criteria a 20 ml blood sample will be taken.

The subjects will be selected from among those presenting for the consultation or hospitalization of the Dermatology department of the CHU de Nice. The family control subjects will be recruited from the vitiligos patients coming into our department. All necessary information will be given to the subjects and a briefing note will be given to them. A reflection period will be left for the subjects to sign the informed consent, and if necessary, another appointment will be scheduled for the inclusion visit. The Investigator: * Inform the subject of the goals, constraints and risks of the study and obtain written consent. * Conduct an examination of the subject's medical history Will verify that the subject meets all inclusion criteria and does not present any of the criteria for not including. If the subject consents and they meet all the criteria a 20 ml blood sample will be taken.