Nelsons arnicare arnica cooling gel is a homeopathic remedy that is formulated for the natural relief of tired muscles it contains arnica montana which is an alpine flower native to the northern hemisphere that is traditionally recognised for its natural properties arnicare cooling gel also contains grapefruit and cooling menthol to naturally soothe and relieve tired and aching muscles while revitalising the skin non sticky and paraben free nelsons arnicare is suitable for the whole family