1. What is Ultrasonic, and Why it can be used in the beauty industry?
Ultrasound is a high-frequency sound wave, Frequency of more than 3MHz. which can probe into 1mm under skin, use highly vibration frequency to make deep skin warm, temperature increase by 0.5 ~ 1°C, improve micro-circulation, activity skin cell, generate collagen, tighten and lift skin;
Green light can penetrate the skin 525 nm, can make skin soothing and relaxing, repair cells and strengthen the skin elasticity. it's between red light and blue light, if the skin problem is more comprehensive, you can use green light to centralized governance first, then according to the repair of skin, choose to use blue light or red light.