You can benefit from the mask by using three different LED lights / colors. The lights are causing heat in different wavelengths, which have advantageous skincare benefits. Red Light - The Red Light is great for preventing aging and repair, healing scares, smooths fine wrinkles, supports skin rejuvenation, spot removal whitening pale spot and is used in the treatment of mild rosacea. Blue Light - The Blue Light eliminates acne producing bacterias by attacking the root cause problem. It also reduces oil production and relaxation of pores.Yellow Light - The Yellow Light is a supplement for adding energy to skin cells. It also improves circulation, skin texture and diluting pigmentation.A user manual will be placed in your box for your references.