Inclusion Criteria:  25 mg sublingual ACE inhibitor given as a treatment protocol, No wound on the nape, Does not develop cold intolerance, Not taking any hypertension medication and pain medication in the last 6 hours, Without heart diseases, peripheral arterial circulation disorders, sensory disorders and edema, Not pregnant, Agreeing to participate in the study, Essential hypertension patients with systolic blood pressure 160 - 179 mmHg, diastolic blood pressure 100 - 109 mmHg.  Exclusion Criteria:  Developing cold intolerance, Changes in the treatment regimen, Panic attack, allergic reaction and any similar situation develops, Those who want to withdraw from the research