My wife is very minimalist at it, and she is saying the basic rule is, she has a wider mouth and smaller eyes so she wears eye liner and eye shadow and no lipstick to balance their size, and she would do it the other way around if her features were proportioned the other way around. I suggested her foundation as I find the illusion of perfect complexion the most attractive part of make-up illusions but she told me it is not healthy for the pores and suchlike.