COLOR: Black or Dark Areas When it comes to early skin cancer detection, we've been warned to take a second look at moles and freckles, and now it's time to add fingernails to that checklist. "All individuals should be aware of skin cancer -- particularly melanoma and squamous cell cancer -- which can occur on, in, or around the nails," says Steele. "A new or expanding dark streak in the nail, or a dark bump or sore may be a sign of skin cancer and should be evaluated." The good news for my fellow polish addicts: Sunlight is unable to penetrate through polish, so count that as your nail sunscreen ... just be sure to take a breather and really examine both your nails and your cuticles for dark areas. Like to wear the bare look? Be sure to cover all of your fingers when applying sunscreen, or pick up Orly Sunscreen for Nails, a clear top coat that keeps UV rays at bay.
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