Atorvastatin in Active Vitiligo

Inclusion Criteria: * Active non-segmental vitiligo defined by * Non- segmental vitiligo with new patches or extension of old lesions during the last 3 months AND * Presence of hypochromic aspect under Wood's lamp examination and/or perifollicular hypopigmentation under Wood's lamp examination * Patient requiring a treatment by UVB * Signed informed consent document * Patient registered to the French Social Security Exclusion Criteria: * \- Segmental or mixed vitiligo * Pregnant (urinary pregnancy test will be done) or lactating patients * Allergy to statin medications * Use of statin or fibrate medications due to cardiac risks * Use of statin medications in the past 8 weeks * Use of any medications contraindicated with use of statin medications * Use of vitiligo treatments (both topicals and phototherapy) in the past 4 weeks * Treatment with immunomodulating oral medications in the past 4 weeks * Hepatic disease and/or dysfunction * Renal dysfunction * Personal or familial history of myopathy or personal history of rhabdomyolysis or elevated baseline creatinine kinase * Alcohol or drug abuse * Untreated hypothyroidism * Personal history of skin cancer * Any other clinically significant findings that, in the opinion of the Principal Investigator, might interfere with study evaluations or pose a risk to subject safety during the study. * Patients assessed to be uncooperative * Participants in other clinical studies