Our cervical pain relief patch contains Angelica root oil and osmanthus flower oil. It can penetrate quickly and relieve cervical and shoulder pain. Improves blood circulation, reduces inflammation and swelling, and promotes healing. Its application is simple: first thoroughly clean and dry the skin area. Place the patch on your neck, making sure it's tight to your skin. Wait 8-12 hours and then remove the patch. 'And can effectively relax tense muscles to reduce fatigue and discomfort.