Concealer is a versatile makeup product primarily used to cover blemishes, dark circles, redness, and other imperfections on the skin. It typically has a thicker consistency than foundation and is formulated specifically to provide coverage while still blending seamlessly into the skin. Concealer types includes,liquid concealer,cream concealer,stick concealer,pencil concealer. Concealer is designed to mask specific imperfections on the skin, including: Dark circles under the eyes Blemishes and acne scars Redness around the nose or on the cheeks Birthmarks or other skin discolorations