Permanent effect --- After using our hair removal for 4 weeks, your hair follicles will start to shrink and your hair will grow slowly. After 6 weeks, you will find that your hair is less, and it obviously will not grow back. After 8 weeks of use, your skin will become smooth and hairless.IPL Hair Removal Technology --- Equipped with Intense Pulsed Light (IPL) technology, its principle is to send appropriate impulses, which are absorbed by melanin in hair follicles, then destroy hair follicles, thus permanently preventing hair growth. Safe and professional waxing at home.Painless Skin Rejuvenation --- the light is warm and soft, providing painless pain during hair removal. With the freezing function with cooling function, your skin will be cooled and protected. Will not bring discomfort to the treatment of sensitive parts, especially for new users.5 Energy level 2 working mode --- There are 5 energy levels to suit different skin sensitivities, you can choose the level according to your skin tone and hair color. One of the two modes is automatic mode, which is used for legs, arms, back, etc. Used for hair removal of large areas. The other is the manual mode, which is best suited for small areas such as the bikini line, upper lip, and armpits.Lifetime Use & LCD Display --- 990,000 flashes is enough for you to use for life or share with family and friends. Moreover, it also has a large LCD screen which can clearly show you the amount of flash remaining.