In the battle for complexion perfection, concealer is your secret weapon. The cover up has the ability to disguise blemishes, bags, dark spots, and redness while flawlessly blending into your skin's natural color and texture. But with so many different formulas, (liquid, cream, paste!), and application techniques (dab, swipe, dot!) it’s easy to feel camouflage-confused. Make Up For Ever artist Lijha Stewart reveals everything you need to know about this makeup must-have.