Eye black
（重定向自Eyeblack）
![Football players wearing eye black.](/Images/godic/202501/12/EyeBlack1533.jpg")
Eye black is a grease applied under the eyes to reduce glare. It is often used by american football, baseball, and lacrosse players, where sunlight or stadium lights can impair seeing an airborne ball.
It is a form of functional makeup or war paint.