Wearing black eyeliner in the daytime "Here is a general rule: dark colours shrink and recede," "Light colours advance and bring forward." That's why she recommends skipping black eyeliner (especially underneath eyes) during the day, so your eyes look more open and awake. ; "Yikes, I do this almost every day," "I do like how the liner defines my eyes. I think I look tired without some liner on. But I will admit that black can be a bit harsh for daytime, so maybe a switch to brown liner is in order. Same effect without the goth undertones." Stay tuned tomorrow as we talked about the do's and don't in cocktail makeup.