Sukin Sunless Bronzing Gel with Rosa Eglanteria (Rosehip) Oil. A Self Tanning Gel for Sensitive Skin. Sukin's Self Tanner is specifically designed to encourage a natural looking tan. Sukin's self tanning bronzing gel boasts caramel for instant colour, aloe vera for instant skin hydration and the gentle bronzing active dihydroxyacetone, to gradually develop a radiant glow. Vegan.