Incognito zap ease zap ease bite relief is the simplest most effective harmless way of stopping the itch and urge to scratch that comes from insect bites a must have for those prone to forgetting to apply their incognito clicking zap ease several times around the area of the bite has the effect of localising the poison and inhibiting the histamine release which causes the itch and the urge to scratch the toxicity of the mosquito bite becomes neutralised with no harmful effect on the s