Tag Archives: HFI

High Frequency Instruments – What Are They? What Do They Do?

High Frequency Instrument | Ungex

As you will know if you’ve purchased Ungex’s Bundle 1 or Bundle 2 for eliminating Demodex mites, an important part of the Ungex protocol is using the products with a high-frequency instrument (HFI). But what is a high-frequency instrument? High-frequency instruments are regarded by the beauty industry as an essential item for skin care. Originally […]