Study to Evaluate the Effect of a Nu Skin Product and Device for Brown Spots

Exclusion Criteria

• •Cosmetic treatment of face, such as laser or light treatment, filler, Botox, microdermabrasion, or chemical peels 6 months prior to study or during study.
• •Current smoker.
• •Pregnant, nursing, or planning to become pregnant during study.
• •Currently taking drugs including oral retinoids or any other medication with a known clinically significant drug interaction with topical tretinoin.
• •Known hypersensitivity to retinoids. History of severe retinoid dermatitis.
• •History of substance abuse, mental dysfunction, or other factors limiting ability to cooperate with study.
• •Concurrent participation in another clinical study or participation 30 days prior to enrollment that includes exposure to an investigational drug that would interfere with this study.
• •Any disease or condition which would interfere with study participation or unduly increase risk.
• •Presence of an electrically sensitive support system such as a pacemaker.
• •Known history of epilepsy.
• •Presence of metal implants or metal braces on teeth.