What is the composition of the needles and how does the 4.3 mm spacing affect the sensation?

The needles in this applicator are made from a specific alloy (Ag) that includes silver, zinc, copper, iron, and nickel. This multi-metal composition is designed to facilitate close skin contact, which triggers sensory receptors and local microcirculation through mechanical stimulation. The 4.3 mm spacing refers to the distance between the needles; this specific measurement is considered a universal setting that provides a balanced level of intensity. It is designed to be noticeable enough to provide a clear physical signal to the nervous system—often felt as a warming or awakening sensation—without being overly aggressive.

When choosing an applicator, the spacing is a key factor in how the stimulation is perceived. A 4.3 mm spacing is generally suitable for users who want a consistent, steady sensation across a larger surface area. Because the needles are fine and superficial, the tool is intended for external use on intact skin only. Avoid using the ribbon on broken, irritated, or highly sensitive skin to prevent discomfort. Always consult a specialist if you have skin concerns or clotting issues.