Roll the rotating head on the face by exerting slight pressure. The pressure depends on the thickness and sensitivity of the skin. The ideal pressure may reveal some transient redness, evidence of the effectiveness of the process, but should never cause bleeding. _Website not available. Sign in: https://www.twine.net/signup_…Roll the rotating head on the face by exerting slight pressure. The pressure depends on the thickness and sensitivity of the skin. The ideal pressure may reveal some transient redness, evidence of the effectiveness of the process, but should never cause bleeding. _Website not available. Sign in: https://www.twine.net/signup_WWWW…