ANo, it is not allowed to let water go to the hole when using, the product may fail and cannot be warranted.

A1. For deep cleansing, we recommend to use Lifetrons device with ultrasonic function first, and then use IH-100 "Cold therapy+Negative ion"
2. For skin whitening or anti-acne, we recommend to use Lifetrons device with photon light therapy function after using IH-10
3. For face contour lifting, we recommend to use Lifetrons device with EMS function first, and then use IH-100 "Cold therapy+Negative ion"
4. For wrinkle improving, we recommend to use Lifetrons device with RF function first, and then use IH-100 "Cold therapy+Negative ion"

ACold therapy can refine pores and make skin tightening.

AIt is recommended that the user consults a professional doctor.

ADepend on the purpose and the user, there is no specific standard. Thermal therapy+positive ion/ Cold therapy+negative ion for normal purpose can be used everyday.

AYes