Cancer is rejuvenating quite strong cocktail at 1.5 standard drinks. Layered with 30ml rum gold amber bielle and 15ml curacao red dekuyper with 15ml grapefruit liqueur gabriel boudier as well as 30ml soda water including 100ml ice and best with an entree or small snack. Just place ice into shot glass then add shot of amber color rum and add red curacao to glass. Pour in soda water and sprinkle grapefruit liqueur on top and garnish with grapefruit and served in a old fashioned glass cold.