A concealer is a very important part of makeup. Being opaque in nature gives an even finish to your face. Concealers are great to mask large pores, age spots, blemishes, dark circles etc and beautifully hides your imperfections making your skin even-toned and flawless. Among Different Cosmo stuff concealers are known as color correctors. The concealer is a bit thicker than the foundation. It is better to choose a concealer shade that is lighter than your skin tone so that it may work perfectly well. Do you need a concealer while doing makeup?