Inclusion Criteria:  Patients who have been diagnosed with brittle nails Must understand and voluntarily sign an informed consent form Must be male or female and aged 18-95 years at time of consent Must be able to adhere to the study visit schedule and other protocol requirements A nail clipping with histopathology that is negative for the presence of dermatophyte infection Patient must present with at least a score of 2 on the PGA scale.  Exclusion Criteria:  Inability of the patient to provide written informed consent for any reason.  Subject has psoriasis, lichen planus, dermatophyte infection or other confounding abnormalities that are severe enough to result in a clinically abnormal fingernail Use of any medication within 90 days prior to start of study Inability to abstain for nail polishes, nail gels during the study period Subject is pregnant or planning pregnancy.