Dermacool – The Quality Alternative Product Information When applied to the skin Dermacool soothes and cools the skin. Can be used for the relief: • Relieving itchy skin conditions • Mild Sunburn • Prickly Heat • Soothes urticaria, a reaction to insect bites which results in irritation, swelling and or itching • Restless legs – especially after exercise • Muscular aches and pains.