Depending on which brand you're using, your makeup might actually cause wrinkles and advanced signs of aging. Generally speaking, it is not bad for your skin to wear make up every day, and can even be beneficial, providing a barrier between your skin and the environment, pollution and harmful rays. The only time it is not good to wear make up is in extreme heat and humidity as make-up will not look good for long. It will look messy and badly applied very quickly because of evaporation and moisture in the air. Pores often look larger in the heat, and make-up settling in the pores is not a good look. Luckily, skin normally looks more even toned in a hot sunny climate so the reasons for wearing make-up are often reduced, but it is vital that a high sun screen.