The Virtual Makeover app takes it one step further and let's you try on different hairstyles and makeup looks. You can choose from celebrity styles but they are easy to customise to suit your head shape. Make sure you use a photo that's exactly front on to the camera for the best match. Then you can also play with your makeup, which will really help determine if the new look will suit you. Or you can just plan your hair & makeup for Saturday night! I love that they give actual makeup colours so you can match it in real life too.
Know when to go lighter or darker. The rule is as follows: For permanent dye, choose a color a smidge darker than what you want because of the strong developer, says Ionato. With semipermanent dye, however, err on the lighter side of the color you're looking to achieve. "Semipermanent formulas don't have a developer, meaning they get darker and darker the longer you leave them in your hair," says Ionato. "It's safer to choose a color that's a bit lighter from the get_go."