This summer rejuvenation kit includes NEW, rechargeable Optimizer Voyage Tri-Light++ USB and Vitamin C serum (10 ml). This device combines the power of colored LED Chromotherapy and Sonic Technology (Low Frequency Stimulation) to tackle multiple skin concerns - dull skin, aging signs. Choose from the following face treatments: REVIVE with the Red Light - To help you give a more youthful appearance and help reduce the look of fine lines. Best paired with Collagen and Coenzyme Q10 Serum. SOOTHE with the Blue Light - To soothe and calm your skin, help reduce excess oil production and skin congestion. Best paired with Licorice and Vitamin C Serum. GLOW with the Yellow Light - To brighten your skin tone, alleviate under eye darkness, and help reduce the appearance of dark spots. Best paired with Chlorella and Vitamin A Serum. OPTIMIZE and SCULPT with Sonic Technology (Low-Frequency Stimulation) - To enhance the performance of your skincare and sculpt facial contours for a more lifted look.