Using the Miss Sophie UV Led Lamp is harmless as its 6W power is significantly weaker than that of standard studio lamps or direct sunlight. In a minute of sun exposure, one is subjected to higher UV radiation than under the Miss Sophie UV-LED Lamp in the same duration. Therefore, it's recommended to perform the manicure with Miss Sophie UV Gel Nail Wraps indoors to protect them from the sun. Although the UV-LED lamp only requires short exposure times to dry, one shouldn't look directly into it to protect the eyes from UV rays. In general, keep in mind that UV light can be harmful to the skin. If you are sensitive to the sun or unsure, it's advisable to treat your fingers with sunscreen.