Weleda Arnica 30c Oral Liquid - 30mLDescription Weleda Arnica 30c Oral Liquid (30mL) is a homeopathic remedy traditionally used for minor injury, bruising, soreness, and shock. This easy to use liquid formulation contains Arnica montana (30c potency), which is traditionally relied upon to aid the body's natural healing process and relieve general discomfort following physical exertion or minor trauma. Feature Homeopathic Remedy: Contains the homeopathic preparation Arnica montana 30c.