Titanium needles at 0.5mm on a weighted aluminum handle. On dry, clean skin, roll twice a week with no pressure, then apply the Activating Beard Serum. The full protocol takes about five minutes of your week. Store it upright in the Activating Beard Roller Stand. 0.5mm titanium needles, the shallow end of the range Weighted aluminum handle, so you never press Twice a week, about five minutes total Use it before the Activating Beard Serum