Extensions make it easy to get this graphic look without snipping your own strands. Hair is brushed back into an elastic, braided and pinned under. Next, extensions (matching your hair color and texture) are wrapped around the braid and secured with pins. To get the geometric style, the resulting ponytail is cut into three graduated layers. The perfect pomade for color-treated manes, PureOlogy NanoWorks ShineLuxe conditions and gives hair an ultraglossy finish. Swarovski crystal hair sticks, Debra Moreland for Paris, paristiaras.com. Diamond studs, Roberto Coin, robertocoin.com.