Effectiveness and Safety of Nailner Brush 2in1 in Onychomycosis

Inclusion Criteria: * Patient having given freely her/his informed, written consent. * Patient having a good general health. * Age: between 18 and 70 years. * Patient with superficial onychomycosis or light to moderate distolateral onychomycosis (without matrix involvement and involvement from 10 to 60%) on at least one great toenail. * Patient with positive KOH staining. * Patient cooperative and aware of the device modalities of use and the necessity and duration of the controls so that perfect adhesion to the protocol can be expected. * Patient being psychologically able to understand information and to give their/his/her consent. * Patient who agrees to refrain from receiving pedicure, artificial nails and/or cosmetic nail varnish or other medication on the nail being treated for the entire study duration. * Female of childbearing potential should use a contraceptive regimen recognized as effective since at least 4 weeks before screening visit and during all the study. Exclusion Criteria: * Pregnant, breastfeeding woman or woman planning a pregnancy during the study; * Patient enrolled in another clinical trial or which exclusion period is not over. * Patient having used any systemic antifungal treatment in the last 6 months before screening and/or any topical antifungal treatment in the last months before screening visit. * Patient with a condition or receiving a medication which, in the investigator's judgment, put the patient at undue risk; * Patient suffering from a severe or progressive disease (at investigator's discretion) such as uncontrolled diabetes, peripheral circulatory disease, poor blood circulation HIV, psoriasis, lichen planus, immunosuppressive pathology, moderate and high risk obesity (BMI ≥30); * Patient having a known allergy or hypersensitivity to one of the constituents of the investigational device. * Patient with cutaneous pathology on studied zone (other than onychomycosis like angioma, dermatitis…).