These foundations keep your skin looking soft and smooth by absorbing extra oils from your skin. If your skin is oily, steer clear of liquid foundation which can make it worse.Vividermix Stemcell Activ Proper skin protection is necessary even on overcast days. When using any type of sunscreen or sunblock, make sure you are applying it 30 minutes before you plan on being in the sun. Also pick out one that protects against broad spectrum UV rays.