The art of spot camouflage
First apply a yellow or slightly green-toned concealer with a brush onthe pimple only. Once you have put applied a generous layer and blendedthe edges of the concealer into your skin, proceed to set the area witha loose translucent powder. Press the powder into the area you'rehiding and then proceed to your usual foundation, remembering to bevery gentle around the concealed pimple.
– Fran Rauseo, Kryolancosmetics