Concealer is a must-have beauty product, designed to cover blemishes, dark circles, and imperfections for a flawless complexion. Dating back to the 1950s, when the first concealer stick was introduced, this product has evolved into a variety of formulas including creams, sticks, and liquids. Whether you’re looking to brighten your under-eyes or mask redness, concealer provides the perfect coverage for a smooth, even finish.