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As mentioned earlier, it would be best if all actors had their own eyeliner, but usually that isn't the case. Pencil eyeliners that don't need to be sharpened (i.e. have a twist up mechanism) are good to have, in both black and brown. Some characters actors may need to use ensemble mascara as well. If this is the case, then have actors apply it with disposable mascara wands.
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