SELF TAN THAT'S MORE THAN SKIN DEEP. Dermachromatic TM Colour Technology is scientifically developed in line with clinical trials for optimum results, perfectly blending active ingredients, hydration and colour tone to best enhance your skin's tone and colour longevity. Technocolor 1 Hour Express Self Tanning Foam Magenta has been formulated for olive-deep skin tones. Featuring a red-violet guide colour and high level active ingredients to counteract the development of cool tones for a rich, deep colour.