Satisfaction Guarantee: If you have any questions, please contact us in time. We offer a 1 year free warranty. Designed For face&Neck Beautification: Our products uses the latest in light irradiation technology and quality materials making it safe, comfortable, natural, and reusable.Designed with the majority suitable material for your face and neck,make your skin can fully absorb the light energy(NOTE: Do not use if you have a thyroid condition or have an eye condition). Safety & Comfortable & Eco-Friendly: Our light therapy face mask uses the latest in light irradiation technology and quality materials.We ensure the safety of families and well-being of the earth against dangerous chemicals, such as chemicals that can cause many different illnesses and diseases, please feel free to buy with confidence!. Salon-Level Skin Care and Treatment: Use natural light waves, which are transmitted by LEDs into the skin. Solve stubborn skin problems. Can reduce and prevent wrinkles,prevents moisture-loss, minimizes pores, helps fight fatty areas.Repair skin,allowing you to regain white, firming, elastic and youthful skin. 7 Color LED Mask: Red Light(630nm)-Increase Blood Circulation and Collagen Production, Whitening (effects for melasma); Blue Light(470nm)-Calms and Tightens Skin; Green Light(520nm)-Improve Pigmentation, inhibit The formation Of Melanin Pigment, Reduce Wrinkle and Fine Lines, Anti-Aging; Yellow Light(590nm)-Smooth Skin and Reduces Redness; Purple Light(390nm)-Relaxing, Improves Lymph Metabolism - Cyanine Light(415nm-520nm)-Soothing, Can Help Allergies; NEW White Light- Accelerate Tissue Metabol.