- DRx SpectraLite™ FaceWare Pro LED Light Therapy Device: inspired by Dr. Gross's professional in-office lasers, this medical-grade mask harnesses a full spectrum of therapeutic red and blue light. The patented design includes a combination of 100 LED lights in red mode and 62 LED lights in blue mode working together to smooth wrinkles, firm skin, diminish discoloration and clear acne for a beautiful, youthful complexion. You can choose from three-light treatment options—red light therapy, blue light therapy or red and blue light therapy. LTKOver40 LTKBeauty LTKxNSale